Historical Membership by Institutional Type
| Year |
Public
University |
Community
College |
Private
College or University |
Agency |
Other |
Total |
| 2006 |
73 |
62 |
43 |
17 |
14 |
209 |
| 2005 |
80 |
59 |
42 |
13 |
16 |
209 |
| 2004 |
81 |
67 |
46 |
16 |
10 |
220 |
| 2003 |
108 |
102 |
69 |
22 |
7 |
308 |
| 2002 |
91 |
83 |
58 |
21 |
7 |
260 |
| 2001 |
87 |
82 |
51 |
19 |
8 |
247 |
| 2000 |
74 |
72 |
53 |
11 |
7 |
217 |
| 1999 |
72 |
73 |
52 |
13 |
8 |
218 |
| 1998 |
68 |
62 |
47 |
15 |
7 |
199 |
| 1997 |
68 |
61 |
45 |
13 |
7 |
194 |
| 1996 |
68 |
55 |
38 |
11 |
8 |
180 |
| 1995 |
65 |
56 |
44 |
14 |
6 |
185 |
|
1994 |
69 |
62 |
37 |
13 |
3 |
184 |
| 1993 |
66 |
73 |
38 |
14 |
7 |
198 |
| 1992 |
48 |
56 |
26 |
12 |
3 |
145 |
|