| Characteristic | Total | 4-year | 2-year |
|---|---|---|---|
| 1977 | 55 | 15 | 40 |
| 1979 | 96 | 15 | 81 |
| 1981 | 165 | 18 | 147 |
| 1985 | 214 | 29 | 185 |
| 1987 | 238 | 35 | 203 |
| 1988 | 323 | 49 | 274 |
| 1989 | 325 | 53 | 272 |
| 1990 | 316 | 53 | 263 |
| 1991 | 343 | 64 | 279 |
| 1992 | 341 | 72 | 269 |
| 1993 | 342 | 76 | 266 |
| 1994 | 320 | 80 | 240 |
| 1995 | 345 | 100 | 245 |
| 1996 | 345 | 117 | 228 |
| 1997 | 614 | 144 | 470 |
| 1998 | 650 | 166 | 484 |
| 1999 | 672 | 192 | 480 |
| 2000 | 721 | 218 | 503 |
| 2001 | 789 | 277 | 512 |
| 2002 | 808 | 318 | 490 |
| 2003 | 791 | 297 | 494 |
| 2004 | 852 | 350 | 502 |
| 2005 | 879 | 369 | 510 |
| 2006 | 936 | 408 | 528 |
| 2007 | 986 | 453 | 533 |
| 2008 | 1,043 | 490 | 553 |
| 2009 | 1,104 | 530 | 574 |
| 2010 | 1,199 | 563 | 636 |
| 2011 | 1,313 | 649 | 664 |
| 2012 | 1,404 | 733 | 671 |
| 2013 | 1,451 | 782 | 669 |
| 2014 | 1,424 | 761 | 663 |
| 2015 | 1,334 | 726 | 608 |
| 2016 | 1,262 | 700 | 562 |
| 2017 | 1,055 | 514 | 541 |
| 2018 | 998 | 488 | 510 |
| 2019 | 742 | 358 | 384 |
| 2020 | 697 | 339 | 358 |
| 2021 | 704 | 330 | 374 |
| 2022 | 691 | 322 | 369 |
| 2023 | 683 | 310 | 373 |
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Source
Source
Release date
October 2024
More information
Region
United States
Survey time period
1977 to 2023
Supplementary notes
1977 refers to the academic year that began in 1976 and ended in 1977. Subsequent years follow the same pattern.
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