By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
date.began (in Relationships)
| Variable Summary | Undergrad | Freshman | Sophomore | Junior | Senior |
| Sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior |
| Casual-sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior |
| romances (date_began or romance__date_began) | ||||||
| All Rs | Female | Male | ||||
| 1980-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1980-07-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1980-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1980-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1980-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1981-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1983-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1983-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1983-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1983-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1984-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1986-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1986-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1988-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1988-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1988-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1988-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1989-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1989-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1989-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-07-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-02-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1995-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-10-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1995-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-01-15 | 1 | 0.01% | 0 | 0.00% | 1 | 0.04% |
| 1997-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-06-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-07-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-10-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997-11-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1997-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-02-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-03-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-07-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-09-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-10-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1998-11-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998-12-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999-01-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999-02-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1999-03-15 | 2 | 0.02% | 2 | 0.03% | 0 | 0.00% |
| 1999-04-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999-05-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999-06-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1999-07-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999-08-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1999-09-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1999-10-15 | 1 | 0.01% | 0 | 0.00% | 1 | 0.04% |
| 1999-11-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 1999-12-15 | 2 | 0.02% | 1 | 0.01% | 1 | 0.04% |
| 2000-01-15 | 6 | 0.06% | 5 | 0.07% | 1 | 0.04% |
| 2000-02-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 2000-03-15 | 4 | 0.04% | 4 | 0.06% | 0 | 0.00% |
| 2000-04-15 | 2 | 0.02% | 2 | 0.03% | 0 | 0.00% |
| 2000-05-15 | 3 | 0.03% | 2 | 0.03% | 1 | 0.04% |
| 2000-06-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 2000-07-15 | 4 | 0.04% | 4 | 0.06% | 0 | 0.00% |
| 2000-08-15 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2000-09-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 2000-10-15 | 5 | 0.05% | 5 | 0.07% | 0 | 0.00% |
| 2000-11-15 | 1 | 0.01% | 0 | 0.00% | 1 | 0.04% |
| 2000-12-15 | 6 | 0.06% | 5 | 0.07% | 1 | 0.04% |
| 2001-01-15 | 11 | 0.12% | 10 | 0.14% | 1 | 0.04% |
| 2001-02-15 | 5 | 0.05% | 4 | 0.06% | 1 | 0.04% |
| 2001-03-15 | 8 | 0.08% | 6 | 0.08% | 2 | 0.08% |
| 2001-04-15 | 4 | 0.04% | 4 | 0.06% | 0 | 0.00% |
| 2001-05-15 | 7 | 0.07% | 5 | 0.07% | 2 | 0.08% |
| 2001-06-15 | 5 | 0.05% | 2 | 0.03% | 3 | 0.13% |
| 2001-07-15 | 1 | 0.01% | 1 | 0.01% | 0 | 0.00% |
| 2001-08-15 | 5 | 0.05% | 4 | 0.06% | 1 | 0.04% |
| 2001-09-15 | 12 | 0.13% | 10 | 0.14% | 1 | 0.04% |
| 2001-10-15 | 11 | 0.12% | 9 | 0.13% | 2 | 0.08% |
| 2001-11-15 | 17 | 0.18% | 13 | 0.18% | 4 | 0.17% |
| 2001-12-15 | 4 | 0.04% | 3 | 0.04% | 1 | 0.04% |
| 2002-01-15 | 18 | 0.19% | 8 | 0.11% | 10 | 0.42% |
| 2002-02-15 | 10 | 0.11% | 9 | 0.13% | 1 | 0.04% |
| 2002-03-15 | 14 | 0.15% | 11 | 0.15% | 3 | 0.13% |
| 2002-04-15 | 16 | 0.17% | 10 | 0.14% | 6 | 0.25% |
| 2002-05-15 | 13 | 0.14% | 9 | 0.13% | 4 | 0.17% |
| 2002-06-15 | 18 | 0.19% | 13 | 0.18% | 5 | 0.21% |
| 2002-07-15 | 17 | 0.18% | 14 | 0.20% | 3 | 0.13% |
| 2002-08-15 | 20 | 0.21% | 15 | 0.21% | 5 | 0.21% |
| 2002-09-15 | 22 | 0.23% | 14 | 0.20% | 8 | 0.34% |
| 2002-10-15 | 35 | 0.37% | 25 | 0.35% | 10 | 0.42% |
| 2002-11-15 | 33 | 0.35% | 24 | 0.34% | 9 | 0.38% |
| 2002-12-15 | 29 | 0.30% | 26 | 0.36% | 3 | 0.13% |
| 2003-01-15 | 36 | 0.38% | 23 | 0.32% | 13 | 0.55% |
| 2003-02-15 | 22 | 0.23% | 15 | 0.21% | 7 | 0.30% |
| 2003-03-15 | 27 | 0.28% | 20 | 0.28% | 7 | 0.30% |
| 2003-04-15 | 40 | 0.42% | 29 | 0.41% | 11 | 0.47% |
| 2003-05-15 | 29 | 0.30% | 22 | 0.31% | 7 | 0.30% |
| 2003-06-15 | 45 | 0.47% | 37 | 0.52% | 8 | 0.34% |
| 2003-07-15 | 15 | 0.16% | 13 | 0.18% | 2 | 0.08% |
| 2003-08-15 | 37 | 0.39% | 31 | 0.43% | 6 | 0.25% |
| 2003-09-15 | 41 | 0.43% | 34 | 0.48% | 7 | 0.30% |
| 2003-10-15 | 56 | 0.59% | 36 | 0.50% | 18 | 0.76% |
| 2003-11-15 | 60 | 0.63% | 41 | 0.57% | 19 | 0.80% |
| 2003-12-15 | 41 | 0.43% | 25 | 0.35% | 16 | 0.68% |
| 2004-01-15 | 82 | 0.86% | 57 | 0.80% | 25 | 1.06% |
| 2004-02-15 | 64 | 0.67% | 50 | 0.70% | 14 | 0.59% |
| 2004-03-15 | 51 | 0.54% | 47 | 0.66% | 4 | 0.17% |
| 2004-04-15 | 70 | 0.74% | 50 | 0.70% | 20 | 0.85% |
| 2004-05-15 | 57 | 0.60% | 40 | 0.56% | 17 | 0.72% |
| 2004-06-15 | 57 | 0.60% | 48 | 0.67% | 9 | 0.38% |
| 2004-07-15 | 47 | 0.49% | 32 | 0.45% | 15 | 0.64% |
| 2004-08-15 | 66 | 0.69% | 56 | 0.79% | 10 | 0.42% |
| 2004-09-15 | 105 | 1.10% | 73 | 1.02% | 32 | 1.35% |
| 2004-10-15 | 100 | 1.05% | 76 | 1.07% | 24 | 1.02% |
| 2004-11-15 | 85 | 0.89% | 68 | 0.95% | 17 | 0.72% |
| 2004-12-15 | 105 | 1.10% | 76 | 1.07% | 29 | 1.23% |
| 2005-01-15 | 161 | 1.69% | 116 | 1.63% | 45 | 1.91% |
| 2005-02-15 | 145 | 1.52% | 106 | 1.49% | 39 | 1.65% |
| 2005-03-15 | 130 | 1.37% | 101 | 1.42% | 28 | 1.19% |
| 2005-04-15 | 125 | 1.31% | 85 | 1.19% | 40 | 1.69% |
| 2005-05-15 | 130 | 1.37% | 92 | 1.29% | 38 | 1.61% |
| 2005-06-15 | 144 | 1.51% | 106 | 1.49% | 38 | 1.61% |
| 2005-07-15 | 101 | 1.06% | 80 | 1.12% | 21 | 0.89% |
| 2005-08-15 | 141 | 1.48% | 107 | 1.50% | 33 | 1.40% |
| 2005-09-15 | 162 | 1.70% | 126 | 1.77% | 36 | 1.52% |
| 2005-10-15 | 186 | 1.96% | 144 | 2.02% | 42 | 1.78% |
| 2005-11-15 | 145 | 1.52% | 101 | 1.42% | 44 | 1.86% |
| 2005-12-15 | 128 | 1.35% | 105 | 1.47% | 22 | 0.93% |
| 2006-01-15 | 209 | 2.20% | 151 | 2.12% | 58 | 2.46% |
| 2006-02-15 | 130 | 1.37% | 101 | 1.42% | 29 | 1.23% |
| 2006-03-15 | 145 | 1.52% | 106 | 1.49% | 39 | 1.65% |
| 2006-04-15 | 161 | 1.69% | 135 | 1.89% | 26 | 1.10% |
| 2006-05-15 | 136 | 1.43% | 108 | 1.51% | 28 | 1.19% |
| 2006-06-15 | 142 | 1.49% | 106 | 1.49% | 36 | 1.52% |
| 2006-07-15 | 101 | 1.06% | 76 | 1.07% | 25 | 1.06% |
| 2006-08-15 | 140 | 1.47% | 114 | 1.60% | 26 | 1.10% |
| 2006-09-15 | 181 | 1.90% | 134 | 1.88% | 47 | 1.99% |
| 2006-10-15 | 203 | 2.13% | 151 | 2.12% | 51 | 2.16% |
| 2006-11-15 | 169 | 1.78% | 108 | 1.51% | 61 | 2.58% |
| 2006-12-15 | 110 | 1.16% | 85 | 1.19% | 25 | 1.06% |
| 2007-01-15 | 246 | 2.59% | 167 | 2.34% | 79 | 3.34% |
| 2007-02-15 | 153 | 1.61% | 108 | 1.51% | 43 | 1.82% |
| 2007-03-15 | 135 | 1.42% | 103 | 1.44% | 32 | 1.35% |
| 2007-04-15 | 126 | 1.32% | 98 | 1.37% | 28 | 1.19% |
| 2007-05-15 | 140 | 1.47% | 106 | 1.49% | 34 | 1.44% |
| 2007-06-15 | 136 | 1.43% | 99 | 1.39% | 37 | 1.57% |
| 2007-07-15 | 104 | 1.09% | 79 | 1.11% | 25 | 1.06% |
| 2007-08-15 | 106 | 1.11% | 69 | 0.97% | 37 | 1.57% |
| 2007-09-15 | 154 | 1.62% | 118 | 1.65% | 36 | 1.52% |
| 2007-10-15 | 168 | 1.77% | 129 | 1.81% | 39 | 1.65% |
| 2007-11-15 | 153 | 1.61% | 117 | 1.64% | 36 | 1.52% |
| 2007-12-15 | 120 | 1.26% | 92 | 1.29% | 27 | 1.14% |
| 2008-01-15 | 169 | 1.78% | 125 | 1.75% | 43 | 1.82% |
| 2008-02-15 | 114 | 1.20% | 82 | 1.15% | 31 | 1.31% |
| 2008-03-15 | 133 | 1.40% | 103 | 1.44% | 28 | 1.19% |
| 2008-04-15 | 107 | 1.12% | 83 | 1.16% | 24 | 1.02% |
| 2008-05-15 | 102 | 1.07% | 77 | 1.08% | 25 | 1.06% |
| 2008-06-15 | 105 | 1.10% | 80 | 1.12% | 25 | 1.06% |
| 2008-07-15 | 92 | 0.97% | 83 | 1.16% | 9 | 0.38% |
| 2008-08-15 | 108 | 1.14% | 88 | 1.23% | 20 | 0.85% |
| 2008-09-15 | 105 | 1.10% | 81 | 1.14% | 24 | 1.02% |
| 2008-10-15 | 94 | 0.99% | 75 | 1.05% | 19 | 0.80% |
| 2008-11-15 | 104 | 1.09% | 80 | 1.12% | 24 | 1.02% |
| 2008-12-15 | 90 | 0.95% | 73 | 1.02% | 16 | 0.68% |
| 2009-01-15 | 98 | 1.03% | 70 | 0.98% | 28 | 1.19% |
| 2009-02-15 | 68 | 0.71% | 44 | 0.62% | 23 | 0.97% |
| 2009-03-15 | 59 | 0.62% | 46 | 0.64% | 13 | 0.55% |
| 2009-04-15 | 62 | 0.65% | 46 | 0.64% | 16 | 0.68% |
| 2009-05-15 | 64 | 0.67% | 45 | 0.63% | 19 | 0.80% |
| 2009-06-15 | 67 | 0.70% | 52 | 0.73% | 15 | 0.64% |
| 2009-07-15 | 56 | 0.59% | 39 | 0.55% | 17 | 0.72% |
| 2009-08-15 | 49 | 0.52% | 34 | 0.48% | 15 | 0.64% |
| 2009-09-15 | 60 | 0.63% | 47 | 0.66% | 13 | 0.55% |
| 2009-10-15 | 77 | 0.81% | 62 | 0.87% | 14 | 0.59% |
| 2009-11-15 | 54 | 0.57% | 45 | 0.63% | 8 | 0.34% |
| 2009-12-15 | 57 | 0.60% | 41 | 0.57% | 16 | 0.68% |
| 2010-01-15 | 65 | 0.68% | 40 | 0.56% | 24 | 1.02% |
| 2010-02-15 | 46 | 0.48% | 35 | 0.49% | 11 | 0.47% |
| 2010-03-15 | 45 | 0.47% | 36 | 0.50% | 9 | 0.38% |
| 2010-04-15 | 35 | 0.37% | 23 | 0.32% | 12 | 0.51% |
| 2010-05-15 | 23 | 0.24% | 15 | 0.21% | 8 | 0.34% |
| 2010-06-15 | 28 | 0.29% | 23 | 0.32% | 5 | 0.21% |
| 2010-07-15 | 18 | 0.19% | 17 | 0.24% | 1 | 0.04% |
| 2010-08-15 | 32 | 0.34% | 25 | 0.35% | 7 | 0.30% |
| 2010-09-15 | 32 | 0.34% | 26 | 0.36% | 6 | 0.25% |
| 2010-10-15 | 34 | 0.36% | 17 | 0.24% | 17 | 0.72% |
| 2010-11-15 | 26 | 0.27% | 21 | 0.29% | 5 | 0.21% |
| 2010-12-15 | 20 | 0.21% | 15 | 0.21% | 5 | 0.21% |
| 2011-01-15 | 9 | 0.09% | 6 | 0.08% | 3 | 0.13% |
| 2011-02-15 | 5 | 0.05% | 5 | 0.07% | 0 | 0.00% |
| 2011-03-15 | 1 | 0.01% | 0 | 0.00% | 1 | 0.04% |
| 2011-04-15 | 2 | 0.02% | 1 | 0.01% | 1 | 0.04% |
| 2011-05-15 | 2 | 0.02% | 1 | 0.01% | 1 | 0.04% |
| 2011-10-15 | 4 | 0.04% | 4 | 0.06% | 0 | 0.00% |
| 2011-11-15 | 5 | 0.05% | 3 | 0.04% | 2 | 0.08% |
| Missing |
19
(0.20%) |
– |
8
(0.11%) |
– |
11
(0.46%) |
– |
| Total | 9533 | 100% | 7141 | 100% | 2373 | 100% |
These tables reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, and seniors, respectively.