All surveyed fields |
1,374 |
1,349 |
1,419 |
1,393 |
1,420 |
1,435 |
1,366 |
1,385 |
Science and engineering |
1,120 |
1,132 |
1,206 |
1,208 |
1,246 |
1,272 |
1,223 |
1,237 |
Science |
942 |
962 |
1,032 |
1,029 |
1,058 |
1,090 |
1,056 |
1,075 |
Agricultural sciences |
32 |
39 |
39 |
43 |
45 |
46 |
46 |
50 |
Biological sciences |
159 |
162 |
163 |
159 |
167 |
181 |
182 |
184 |
Anatomy |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Biochemistry |
4 |
4 |
4 |
5 |
6 |
6 |
10 |
11 |
Biology |
104 |
101 |
102 |
101 |
102 |
105 |
103 |
101 |
Biometry and epidemiology |
ne |
ne |
ne |
1 |
3 |
3 |
3 |
4 |
Biophysics |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Botany |
2 |
2 |
2 |
1 |
1 |
ne |
ne |
ne |
Cell/ molecular biology |
5 |
4 |
4 |
5 |
6 |
7 |
6 |
6 |
Ecology |
6 |
7 |
5 |
3 |
3 |
4 |
4 |
2 |
Entomology and parasitology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Genetics |
2 |
2 |
2 |
2 |
ne |
ne |
ne |
ne |
Microbiology, immunology, and virology |
3 |
3 |
3 |
3 |
4 |
4 |
4 |
4 |
Nutrition |
10 |
14 |
14 |
13 |
13 |
16 |
18 |
17 |
Pathology |
ne |
ne |
ne |
ne |
ne |
1 |
1 |
1 |
Pharmacology |
ne |
ne |
ne |
ne |
1 |
1 |
1 |
1 |
Physiology |
5 |
5 |
5 |
6 |
5 |
4 |
4 |
4 |
Zoology |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Biological sciences, nec |
17 |
19 |
21 |
18 |
22 |
29 |
27 |
32 |
Communicationb |
ne |
ne |
31 |
39 |
43 |
46 |
50 |
56 |
Computer sciences |
101 |
102 |
100 |
104 |
112 |
113 |
105 |
105 |
Earth, atmospheric, and ocean sciences |
55 |
55 |
53 |
52 |
52 |
50 |
50 |
49 |
Atmospheric sciences |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
Geosciences |
25 |
25 |
27 |
29 |
27 |
28 |
29 |
29 |
Ocean sciences |
5 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
Earth/ atmospheric/ ocean sciences, nec |
24 |
23 |
19 |
16 |
18 |
15 |
14 |
12 |
Family and consumer sciences and human sciencesa |
ne |
ne |
12 |
13 |
15 |
14 |
13 |
10 |
Mathematical sciences |
75 |
75 |
75 |
72 |
73 |
78 |
75 |
76 |
Mathematics and applied mathematics |
72 |
72 |
72 |
69 |
68 |
72 |
69 |
69 |
Statistics |
3 |
3 |
3 |
3 |
5 |
6 |
6 |
7 |
Multidisciplinary/ interdisciplinary studiesa |
ne |
ne |
40 |
43 |
46 |
47 |
32 |
31 |
Neurosciencea |
na |
na |
1 |
1 |
2 |
1 |
1 |
1 |
Physical sciences |
70 |
74 |
72 |
70 |
69 |
72 |
70 |
64 |
Astronomy |
ne |
1 |
1 |
ne |
ne |
ne |
ne |
ne |
Chemistry |
46 |
46 |
46 |
45 |
44 |
49 |
47 |
43 |
Physics |
17 |
20 |
19 |
19 |
20 |
17 |
19 |
17 |
Physical sciences, nec |
7 |
7 |
6 |
6 |
5 |
6 |
4 |
4 |
Psychology |
199 |
199 |
197 |
192 |
186 |
181 |
176 |
181 |
Clinical psychology |
31 |
34 |
31 |
35 |
32 |
32 |
27 |
30 |
Psychology, general |
67 |
65 |
65 |
64 |
60 |
58 |
54 |
56 |
Psychology, nec |
101 |
100 |
101 |
93 |
94 |
91 |
95 |
95 |
Social sciences |
251 |
256 |
249 |
241 |
248 |
261 |
256 |
268 |
Agricultural economics |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
2 |
Anthropology (cultural/ social) |
12 |
13 |
13 |
14 |
14 |
15 |
16 |
17 |
Economics (except agricultural) |
20 |
20 |
20 |
20 |
21 |
21 |
22 |
24 |
Geography |
21 |
23 |
23 |
23 |
22 |
23 |
21 |
22 |
History and philosophy of science |
6 |
6 |
6 |
5 |
4 |
4 |
3 |
2 |
Linguistics |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
Political science/ public administration |
87 |
81 |
80 |
74 |
80 |
84 |
86 |
93 |
Sociology |
33 |
30 |
29 |
29 |
30 |
29 |
28 |
26 |
Sociology and anthropology |
2 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
Social sciences, nec |
63 |
74 |
69 |
66 |
68 |
76 |
71 |
75 |
Engineering |
178 |
170 |
174 |
179 |
188 |
182 |
167 |
162 |
Aerospace engineering |
3 |
3 |
3 |
3 |
3 |
2 |
2 |
2 |
Agricultural engineering |
ne |
ne |
ne |
ne |
ne |
ne |
1 |
1 |
Architecturea |
na |
na |
2 |
3 |
3 |
3 |
1 |
1 |
Biomedical engineering |
3 |
3 |
3 |
1 |
2 |
2 |
2 |
3 |
Chemical engineering |
6 |
5 |
5 |
5 |
7 |
7 |
7 |
6 |
Civil engineeringa |
27 |
30 |
29 |
31 |
32 |
32 |
30 |
28 |
Electrical engineering |
44 |
41 |
43 |
46 |
50 |
47 |
41 |
42 |
Engineering science/ engineering physics |
3 |
4 |
5 |
6 |
5 |
4 |
5 |
4 |
Industrial/ manufacturing engineering |
34 |
30 |
31 |
30 |
31 |
32 |
26 |
23 |
Mechanical engineering |
24 |
21 |
21 |
24 |
26 |
25 |
23 |
22 |
Metallurgical/ materials engineering |
2 |
2 |
2 |
2 |
1 |
2 |
3 |
3 |
Mining engineering |
2 |
2 |
2 |
2 |
2 |
2 |
1 |
1 |
Nuclear engineering |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Petroleum engineering |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Engineering, nec |
29 |
28 |
27 |
25 |
25 |
23 |
24 |
25 |
Health |
254 |
217 |
213 |
185 |
174 |
163 |
143 |
148 |
Clinical medicine |
24 |
31 |
31 |
28 |
27 |
28 |
29 |
30 |
Anesthesiology |
4 |
3 |
3 |
3 |
2 |
2 |
1 |
1 |
Cardiology |
ne |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Endocrinology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Gastroenterology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Hematology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Neurologya |
1 |
1 |
ne |
ne |
ne |
ne |
ne |
ne |
Obstetrics/ gynecology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Oncology/ cancer research |
ne |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
Ophthalmology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Otorhinolaryngology |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Pediatrics |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Preventive medicine/ community health |
12 |
17 |
20 |
19 |
23 |
24 |
26 |
26 |
Psychiatry |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Pulmonary disease |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Radiology |
1 |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Surgery |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Clinical medicine, nec |
6 |
8 |
6 |
4 |
ne |
ne |
ne |
ne |
Other health |
230 |
186 |
182 |
157 |
147 |
135 |
114 |
118 |
Dental sciences |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Nursing |
83 |
57 |
57 |
49 |
37 |
26 |
14 |
14 |
Pharmaceutical sciences |
1 |
1 |
1 |
2 |
3 |
3 |
2 |
2 |
Communication disorders sciences |
54 |
57 |
57 |
52 |
53 |
54 |
54 |
54 |
Veterinary sciences |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
ne |
Other health, nec |
92 |
71 |
67 |
54 |
54 |
52 |
44 |
48 |