| Research priority, position, and field |
1973 |
1975 |
1977 |
1979 |
1981 |
1983 |
1985 |
1987 |
1989 |
1991 |
1993 |
1995 |
1997 |
1999 |
2001 |
2003 |
2006 |
2008 |
| All positions |
118.0 |
134.1 |
145.4 |
155.3 |
167.1 |
176.1 |
190.2 |
195.9 |
206.6 |
210.6 |
213.8 |
217.5 |
232.5 |
240.2 |
245.5 |
259.5 |
272.8 |
272.8 |
| Full-time faculty |
103.3 |
116.4 |
125.6 |
131.2 |
141.9 |
148.4 |
156.9 |
164.4 |
169.8 |
173.1 |
172.4 |
171.4 |
178.4 |
184.0 |
187.4 |
195.0 |
197.1 |
199.5 |
| Physical sciences |
20.8 |
22.3 |
23.6 |
23.5 |
24.3 |
24.2 |
25.4 |
26.4 |
26.2 |
26.2 |
25.8 |
25.6 |
26.5 |
27.3 |
27.5 |
28.4 |
27.8 |
27.7 |
| Mathematics |
9.3 |
10.4 |
10.9 |
11.4 |
11.7 |
12.3 |
12.7 |
12.9 |
13.5 |
14.2 |
14.7 |
13.0 |
13.6 |
13.1 |
12.6 |
14.2 |
14.1 |
14.5 |
| Computer sciences |
NA |
NA |
NA |
0.1 |
0.3 |
0.4 |
0.7 |
0.9 |
1.3 |
1.8 |
2.3 |
2.8 |
3.0 |
3.3 |
3.3 |
4.2 |
4.9 |
5.7 |
| Life sciences |
29.5 |
33.1 |
34.9 |
37.3 |
40.9 |
43.5 |
45.6 |
48.1 |
49.3 |
51.1 |
50.8 |
52.8 |
55.2 |
58.1 |
60.4 |
63.7 |
64.5 |
64.8 |
| Psychology |
10.8 |
12.8 |
13.9 |
14.3 |
16.4 |
17.3 |
18.5 |
19.2 |
20.2 |
20.7 |
19.5 |
20.1 |
20.8 |
21.9 |
22.6 |
22.0 |
23.7 |
23.3 |
| Social sciences |
21.6 |
25.5 |
28.8 |
30.3 |
33.7 |
34.4 |
36.1 |
37.6 |
39.0 |
39.0 |
39.2 |
37.1 |
37.7 |
39.2 |
39.2 |
40.1 |
39.8 |
41.0 |
| Engineering |
11.3 |
12.2 |
13.5 |
14.3 |
14.7 |
16.4 |
17.9 |
19.3 |
20.2 |
20.1 |
20.1 |
20.0 |
21.5 |
21.1 |
21.9 |
22.3 |
22.3 |
22.5 |
| Research as primary/secondary
activity |
| All positions |
82.3 |
90.6 |
85.0 |
90.0 |
100.7 |
104.7 |
115.2 |
144.0 |
151.6 |
156.6 |
150.1 |
153.5 |
164.7 |
168.1 |
172.5 |
179.3 |
183.7 |
184.7 |
| Physical sciences |
18.8 |
19.8 |
19.2 |
18.2 |
19.5 |
19.3 |
21.4 |
24.9 |
25.7 |
25.9 |
25.0 |
25.8 |
27.4 |
27.2 |
27.3 |
28.2 |
26.9 |
26.5 |
| Mathematics |
6.8 |
7.5 |
6.8 |
6.9 |
6.8 |
7.2 |
7.6 |
9.7 |
10.2 |
10.7 |
9.5 |
9.4 |
10.1 |
9.9 |
9.8 |
10.7 |
11.4 |
11.4 |
| Computer sciences |
NA |
NA |
NA |
0.1 |
0.3 |
0.4 |
0.6 |
1.0 |
1.3 |
1.7 |
2.0 |
2.4 |
2.4 |
2.6 |
2.6 |
3.9 |
4.1 |
4.8 |
| Life sciences |
26.0 |
29.0 |
28.7 |
32.1 |
37.1 |
38.3 |
41.4 |
48.8 |
51.8 |
53.3 |
51.8 |
53.8 |
57.9 |
60.8 |
63.1 |
65.6 |
66.7 |
66.3 |
| Psychology |
7.3 |
8.5 |
7.7 |
8.3 |
9.9 |
10.5 |
10.7 |
14.3 |
14.3 |
15.7 |
14.9 |
15.6 |
16.1 |
17.2 |
18.2 |
19.1 |
20.5 |
21.2 |
| Social sciences |
14.3 |
16.9 |
13.8 |
14.7 |
17.6 |
17.8 |
20.9 |
28.5 |
30.5 |
31.1 |
29.3 |
28.1 |
29.8 |
30.9 |
31.4 |
31.5 |
32.7 |
32.8 |
| Engineering |
9.0 |
9.0 |
8.9 |
9.8 |
9.5 |
11.2 |
12.5 |
16.8 |
17.6 |
18.2 |
17.5 |
18.5 |
20.9 |
19.4 |
20.2 |
20.3 |
21.4 |
21.8 |
| Full-time faculty |
72.0 |
78.9 |
71.6 |
74.1 |
83.8 |
86.9 |
95.1 |
121.4 |
125.8 |
131.4 |
121.7 |
121.6 |
127.0 |
129.2 |
133.2 |
137.3 |
135.1 |
137.8 |
| Physical sciences |
15.1 |
15.9 |
14.8 |
13.9 |
15.1 |
15.1 |
16.3 |
19.7 |
19.9 |
20.1 |
18.0 |
17.9 |
18.8 |
18.7 |
19.1 |
20.1 |
18.4 |
18.6 |
| Mathematics |
6.6 |
7.1 |
6.4 |
6.4 |
6.5 |
6.9 |
7.3 |
9.1 |
9.8 |
10.2 |
9.1 |
8.4 |
8.9 |
8.6 |
8.3 |
9.3 |
9.6 |
9.8 |
| Computer sciences |
NA |
NA |
NA |
S |
0.2 |
0.3 |
0.5 |
0.8 |
1.2 |
1.6 |
1.8 |
2.2 |
2.2 |
2.3 |
2.3 |
3.3 |
3.6 |
4.0 |
| Life sciences |
21.8 |
24.1 |
22.9 |
24.7 |
28.7 |
29.6 |
31.9 |
38.3 |
39.0 |
41.0 |
38.4 |
39.5 |
41.2 |
42.5 |
44.6 |
46.4 |
45.1 |
45.1 |
| Psychology |
6.6 |
7.5 |
6.7 |
6.6 |
8.0 |
8.8 |
9.0 |
12.1 |
12.2 |
13.9 |
12.5 |
12.9 |
13.3 |
13.9 |
14.6 |
14.7 |
15.1 |
16.0 |
| Social sciences |
13.6 |
15.9 |
12.9 |
13.5 |
16.5 |
16.0 |
18.8 |
26.1 |
27.9 |
28.3 |
26.7 |
25.3 |
25.8 |
27.2 |
27.8 |
27.2 |
27.4 |
28.2 |
| Engineering |
8.2 |
8.3 |
8.0 |
8.9 |
8.8 |
10.2 |
11.4 |
15.2 |
15.7 |
16.2 |
15.1 |
15.5 |
16.7 |
15.9 |
16.6 |
16.3 |
15.8 |
16.2 |
| Research as primary activity |
| All positions |
27.8 |
30.8 |
37.0 |
41.3 |
46.5 |
48.9 |
55.9 |
66.5 |
72.2 |
73.9 |
80.2 |
83.0 |
88.6 |
91.4 |
93.8 |
102.9 |
108.2 |
106.7 |
| Physical sciences |
6.6 |
7.2 |
8.9 |
8.5 |
9.4 |
9.2 |
11.0 |
12.3 |
13.3 |
13.1 |
14.7 |
15.2 |
15.6 |
15.1 |
15.0 |
16.2 |
16.3 |
15.4 |
| Mathematics |
1.5 |
1.5 |
1.8 |
2.1 |
1.9 |
2.0 |
2.7 |
3.2 |
3.5 |
3.5 |
3.4 |
3.3 |
3.5 |
2.9 |
3.3 |
3.8 |
5.0 |
5.4 |
| Computer sciences |
NA |
NA |
NA |
0.0 |
0.1 |
0.2 |
0.4 |
0.7 |
0.8 |
1.1 |
0.9 |
1.0 |
1.1 |
1.1 |
1.3 |
1.9 |
2.0 |
2.6 |
| Life sciences |
12.8 |
14.5 |
16.6 |
19.7 |
23.2 |
24.3 |
27.1 |
31.5 |
33.8 |
34.5 |
36.0 |
37.7 |
40.5 |
43.2 |
43.7 |
46.4 |
47.0 |
45.3 |
| Psychology |
2.0 |
2.2 |
2.8 |
3.4 |
4.1 |
4.4 |
4.6 |
5.2 |
5.9 |
6.2 |
6.7 |
7.4 |
8.0 |
8.6 |
8.7 |
10.0 |
11.2 |
11.1 |
| Social sciences |
2.8 |
3.2 |
4.1 |
4.2 |
4.5 |
4.9 |
5.7 |
7.5 |
8.2 |
8.4 |
10.7 |
9.8 |
9.8 |
11.1 |
11.7 |
13.0 |
13.6 |
13.5 |
| Engineering |
2.1 |
2.3 |
2.9 |
3.4 |
3.3 |
3.9 |
4.4 |
6.2 |
6.9 |
7.2 |
7.9 |
8.7 |
10.1 |
9.4 |
10.1 |
11.6 |
13.1 |
13.3 |
| Full-time faculty |
19.8 |
21.4 |
25.8 |
28.1 |
31.8 |
33.6 |
39.5 |
48.6 |
51.6 |
53.8 |
56.8 |
56.6 |
58.0 |
60.4 |
62.8 |
71.5 |
70.9 |
71.4 |
| Physical sciences |
3.5 |
3.9 |
5.0 |
5.0 |
5.4 |
5.4 |
6.5 |
7.8 |
8.0 |
8.2 |
8.7 |
8.4 |
8.4 |
8.2 |
8.3 |
9.9 |
9.3 |
9.2 |
| Mathematics |
1.4 |
1.3 |
1.6 |
1.8 |
1.8 |
1.8 |
2.5 |
2.7 |
3.2 |
3.2 |
3.1 |
2.7 |
2.8 |
2.3 |
2.3 |
3.1 |
3.8 |
4.5 |
| Computer sciences |
NA |
NA |
NA |
0.0 |
0.1 |
0.1 |
0.3 |
0.5 |
0.7 |
1.0 |
0.7 |
0.9 |
1.0 |
0.9 |
1.1 |
1.6 |
1.7 |
2.1 |
| Life sciences |
9.3 |
10.3 |
11.4 |
13.1 |
15.5 |
16.5 |
18.6 |
22.3 |
22.6 |
23.8 |
24.1 |
24.7 |
25.7 |
27.0 |
27.7 |
30.1 |
28.4 |
27.7 |
| Psychology |
1.6 |
1.5 |
2.0 |
2.2 |
2.5 |
2.9 |
3.3 |
3.9 |
4.5 |
5.0 |
5.3 |
5.4 |
5.9 |
6.1 |
6.3 |
7.1 |
7.9 |
7.9 |
| Social sciences |
2.5 |
2.7 |
3.6 |
3.4 |
3.8 |
3.8 |
4.6 |
6.3 |
7.1 |
7.1 |
8.9 |
8.3 |
7.6 |
9.2 |
9.7 |
10.8 |
11.4 |
11.3 |
| Engineering |
1.5 |
1.7 |
2.3 |
2.6 |
2.7 |
3.0 |
3.7 |
5.0 |
5.4 |
5.5 |
6.0 |
6.3 |
6.7 |
6.7 |
7.4 |
8.9 |
8.5 |
8.7 |
| Teaching as primary activity |
| All positions |
73.3 |
83.8 |
82.2 |
83.8 |
95.9 |
97.7 |
101.0 |
99.3 |
100.9 |
103.4 |
98.3 |
100.2 |
105.4 |
108.6 |
109.0 |
105.9 |
109.4 |
112.3 |
| Physical sciences |
16.3 |
17.3 |
16.5 |
15.9 |
17.5 |
16.8 |
17.4 |
16.9 |
16.7 |
16.8 |
15.7 |
15.9 |
16.7 |
17.8 |
17.9 |
17.0 |
16.9 |
17.3 |
| Mathematics |
7.4 |
8.5 |
8.5 |
8.6 |
9.1 |
9.4 |
9.3 |
9.2 |
9.5 |
10.1 |
10.3 |
9.8 |
10.2 |
10.5 |
10.2 |
9.4 |
9.9 |
10.0 |
| Computer sciences |
NA |
NA |
NA |
0.1 |
0.2 |
0.3 |
0.3 |
0.3 |
0.6 |
0.7 |
1.4 |
1.8 |
1.8 |
2.1 |
1.9 |
2.5 |
3.0 |
3.2 |
| Life sciences |
16.6 |
19.0 |
18.1 |
18.1 |
20.5 |
21.1 |
20.9 |
20.1 |
20.3 |
20.9 |
20.2 |
21.8 |
23.4 |
25.1 |
25.7 |
25.2 |
27.6 |
28.1 |
| Psychology |
7.7 |
9.7 |
9.4 |
9.5 |
11.7 |
11.6 |
12.3 |
13.0 |
12.8 |
12.8 |
11.6 |
11.9 |
12.4 |
13.0 |
13.3 |
13.3 |
14.3 |
14.3 |
| Social sciences |
16.9 |
20.5 |
21.0 |
22.6 |
26.8 |
27.7 |
29.1 |
28.5 |
28.8 |
29.8 |
27.6 |
26.9 |
28.3 |
28.0 |
28.0 |
27.3 |
27.5 |
28.8 |
| Engineering |
8.4 |
8.9 |
8.7 |
9.1 |
10.1 |
10.8 |
11.7 |
11.3 |
12.2 |
12.2 |
11.6 |
12.1 |
12.6 |
12.1 |
11.9 |
11.2 |
10.2 |
10.7 |
| Full-time faculty |
69.9 |
80.2 |
78.4 |
79.7 |
92.1 |
91.9 |
94.9 |
93.6 |
93.9 |
96.7 |
91.4 |
91.9 |
95.4 |
98.6 |
97.9 |
85.0 |
90.8 |
94.0 |
| Physical sciences |
15.5 |
16.5 |
15.7 |
15.1 |
16.9 |
15.8 |
16.5 |
16.2 |
15.6 |
15.6 |
14.3 |
14.4 |
15.1 |
16.1 |
16.2 |
15.0 |
14.5 |
14.5 |
| Mathematics |
7.2 |
8.2 |
8.1 |
8.3 |
8.8 |
9.0 |
8.9 |
9.0 |
9.0 |
9.6 |
10.0 |
9.0 |
9.3 |
9.4 |
9.2 |
8.2 |
8.3 |
8.5 |
| Computer sciences |
NA |
NA |
NA |
0.1 |
0.2 |
0.3 |
0.3 |
0.3 |
0.5 |
0.7 |
1.3 |
1.7 |
1.7 |
2.0 |
1.8 |
2.3 |
2.6 |
2.8 |
| Life sciences |
15.7 |
18.1 |
17.1 |
17.1 |
19.6 |
19.6 |
19.5 |
18.7 |
18.7 |
19.1 |
18.4 |
19.8 |
20.7 |
22.5 |
22.8 |
21.4 |
22.6 |
23.5 |
| Psychology |
7.3 |
9.2 |
8.9 |
8.9 |
11.0 |
10.9 |
11.6 |
12.1 |
11.9 |
12.2 |
10.5 |
10.9 |
11.3 |
11.9 |
11.9 |
10.8 |
11.2 |
11.3 |
| Social sciences |
16.1 |
19.5 |
20.1 |
21.4 |
25.7 |
25.9 |
26.8 |
26.5 |
26.4 |
27.6 |
25.9 |
24.6 |
25.3 |
24.9 |
24.9 |
23.7 |
22.4 |
24.0 |
| Engineering |
8.1 |
8.7 |
8.5 |
8.9 |
10.0 |
10.4 |
11.2 |
11.0 |
11.7 |
11.8 |
11.0 |
11.5 |
12.0 |
11.7 |
11.2 |
10.2 |
9.0 |
9.4 |
| Other primary activity |
| All positions |
16.9 |
19.4 |
26.2 |
30.2 |
24.7 |
29.6 |
33.3 |
30.1 |
33.5 |
33.2 |
35.2 |
34.3 |
38.6 |
40.2 |
42.8 |
49.5 |
55.2 |
53.9 |
| Physical sciences |
2.6 |
3.0 |
3.8 |
4.4 |
3.0 |
3.8 |
3.8 |
3.5 |
3.6 |
3.8 |
4.6 |
4.6 |
5.2 |
5.8 |
5.8 |
7.2 |
6.5 |
6.7 |
| Mathematics |
0.8 |
1.0 |
1.4 |
1.6 |
1.3 |
1.6 |
1.6 |
1.4 |
1.5 |
1.6 |
1.8 |
1.5 |
1.8 |
1.7 |
1.4 |
2.2 |
2.5 |
2.0 |
| Computer sciences |
NA |
NA |
NA |
0.0 |
0.0 |
0.0 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.3 |
0.5 |
0.5 |
0.5 |
0.8 |
0.8 |
1.1 |
| Life sciences |
5.5 |
5.9 |
8.0 |
9.3 |
7.6 |
9.4 |
10.6 |
9.7 |
10.7 |
11.5 |
12.0 |
12.2 |
13.4 |
13.6 |
14.8 |
17.6 |
20.9 |
20.7 |
| Psychology |
2.5 |
2.9 |
4.0 |
4.8 |
4.4 |
5.0 |
6.2 |
5.6 |
6.3 |
6.2 |
6.7 |
6.9 |
7.0 |
7.3 |
8.4 |
8.1 |
9.5 |
9.0 |
| Social sciences |
3.7 |
4.3 |
6.0 |
6.8 |
5.6 |
6.1 |
7.1 |
6.1 |
7.6 |
6.6 |
6.1 |
5.8 |
6.8 |
7.2 |
7.2 |
8.2 |
8.8 |
8.6 |
| Engineering |
1.9 |
2.3 |
3.1 |
3.3 |
2.7 |
3.5 |
3.8 |
3.7 |
3.7 |
3.4 |
3.7 |
3.0 |
3.8 |
4.0 |
4.7 |
5.5 |
6.2 |
5.8 |
| Full-time faculty |
13.6 |
14.8 |
21.3 |
23.4 |
18.0 |
22.9 |
22.5 |
22.2 |
24.2 |
22.6 |
24.1 |
22.9 |
24.9 |
25.0 |
26.8 |
37.6 |
35.4 |
34.0 |
| Physical sciences |
1.8 |
2.0 |
2.9 |
3.3 |
2.0 |
3.0 |
2.4 |
2.4 |
2.5 |
2.3 |
2.7 |
2.7 |
3.0 |
3.0 |
3.0 |
3.8 |
3.9 |
3.9 |
| Mathematics |
0.7 |
0.9 |
1.2 |
1.3 |
1.1 |
1.4 |
1.3 |
1.2 |
1.3 |
1.4 |
1.6 |
1.3 |
1.5 |
1.4 |
1.1 |
1.7 |
2.0 |
1.5 |
| Computer sciences |
NA |
NA |
NA |
0.0 |
0.0 |
0.0 |
0.1 |
0.0 |
0.1 |
0.1 |
0.2 |
0.2 |
0.3 |
0.3 |
0.4 |
0.4 |
0.6 |
0.7 |
| Life sciences |
4.5 |
4.7 |
6.4 |
7.1 |
5.8 |
7.4 |
7.4 |
7.2 |
7.9 |
8.2 |
8.3 |
8.3 |
8.7 |
8.6 |
9.9 |
11.7 |
13.5 |
13.6 |
| Psychology |
2.0 |
2.1 |
3.0 |
3.2 |
2.9 |
3.5 |
3.6 |
3.3 |
3.8 |
3.6 |
3.7 |
3.8 |
3.6 |
3.9 |
4.3 |
3.8 |
4.6 |
4.2 |
| Social sciences |
3.0 |
3.3 |
5.2 |
5.5 |
4.2 |
4.7 |
4.7 |
4.8 |
5.4 |
4.3 |
4.5 |
4.2 |
4.8 |
5.1 |
4.7 |
6.0 |
6.1 |
5.7 |
| Engineering |
1.6 |
1.8 |
2.7 |
2.8 |
2.0 |
2.9 |
2.9 |
3.3 |
3.1 |
2.7 |
3.1 |
2.2 |
2.8 |
2.7 |
3.3 |
3.7 |
4.8 |
4.4 |