All surveyed fields |
27,719 |
28,069 |
28,187 |
29,686 |
32,467 |
35,134 |
34,266 |
34,574 |
Science and engineering |
21,355 |
21,539 |
21,687 |
22,866 |
24,622 |
26,148 |
25,554 |
25,269 |
Science |
18,476 |
18,538 |
18,653 |
19,402 |
20,533 |
21,845 |
21,475 |
21,018 |
Agricultural sciences |
857 |
886 |
923 |
1,097 |
1,033 |
1,136 |
1,177 |
1,224 |
Biological sciences |
10,541 |
10,677 |
10,600 |
10,844 |
11,270 |
11,542 |
10,969 |
10,353 |
Anatomy |
257 |
244 |
220 |
231 |
230 |
285 |
261 |
198 |
Biochemistry |
1,468 |
1,393 |
1,386 |
1,310 |
1,418 |
1,464 |
1,297 |
1,248 |
Biology |
1,203 |
1,136 |
1,119 |
1,217 |
1,209 |
1,263 |
1,141 |
1,083 |
Biometry and epidemiology |
179 |
184 |
193 |
161 |
197 |
227 |
199 |
232 |
Biophysics |
75 |
49 |
49 |
37 |
57 |
63 |
52 |
60 |
Botany |
627 |
601 |
599 |
611 |
625 |
545 |
530 |
577 |
Cell biology |
1,061 |
1,107 |
1,124 |
1,151 |
1,363 |
1,388 |
1,244 |
1,234 |
Ecology |
145 |
157 |
149 |
158 |
157 |
134 |
118 |
127 |
Entomology and parasitology |
232 |
235 |
235 |
210 |
242 |
223 |
249 |
243 |
Genetics |
378 |
349 |
346 |
344 |
385 |
427 |
518 |
477 |
Microbiology, immunology, and virology |
1,180 |
1,179 |
1,143 |
1,111 |
1,161 |
1,281 |
1,309 |
1,213 |
Nutrition |
222 |
294 |
268 |
224 |
200 |
194 |
189 |
172 |
Pathology |
538 |
507 |
498 |
587 |
674 |
703 |
633 |
607 |
Pharmacology |
905 |
874 |
874 |
895 |
988 |
1,008 |
925 |
836 |
Physiology |
796 |
734 |
792 |
770 |
842 |
839 |
864 |
798 |
Zoology |
103 |
103 |
101 |
68 |
78 |
76 |
85 |
87 |
Biological sciences nec |
1,172 |
1,531 |
1,504 |
1,759 |
1,444 |
1,422 |
1,355 |
1,161 |
Communication a |
ne |
ne |
14 |
9 |
11 |
29 |
30 |
17 |
Computer sciences |
290 |
294 |
247 |
266 |
319 |
429 |
401 |
395 |
Earth, atmospheric, and ocean sciences |
1,164 |
993 |
921 |
953 |
1,004 |
1,305 |
1,319 |
1,439 |
Atmospheric sciences |
124 |
109 |
111 |
105 |
116 |
177 |
141 |
190 |
Geosciences |
310 |
300 |
304 |
294 |
271 |
324 |
318 |
347 |
Oceanography |
264 |
243 |
243 |
224 |
296 |
267 |
324 |
333 |
Earth, atmospheric, and ocean sciences nec |
466 |
341 |
263 |
330 |
321 |
537 |
536 |
569 |
Family and consumer sciences and human sciences a |
ne |
ne |
8 |
19 |
20 |
24 |
39 |
45 |
Mathematical sciences |
369 |
423 |
418 |
450 |
446 |
448 |
515 |
566 |
Mathematics and applied mathematics |
329 |
398 |
391 |
410 |
418 |
407 |
458 |
490 |
Statistics |
40 |
25 |
27 |
40 |
28 |
41 |
57 |
76 |
Multidisciplinary and interdisciplinary studies a |
ne |
ne |
208 |
308 |
393 |
626 |
562 |
566 |
Neuroscience a |
na |
na |
92 |
97 |
277 |
365 |
640 |
623 |
Physical sciences |
4,502 |
4,383 |
4,341 |
4,453 |
4,856 |
4,983 |
4,850 |
4,764 |
Astronomy |
220 |
241 |
241 |
243 |
289 |
287 |
282 |
275 |
Chemistry |
2,725 |
2,608 |
2,563 |
2,552 |
2,802 |
2,749 |
2,616 |
2,572 |
Physics |
1,433 |
1,412 |
1,415 |
1,519 |
1,622 |
1,766 |
1,776 |
1,740 |
Physical sciences nec |
124 |
122 |
122 |
139 |
143 |
181 |
176 |
177 |
Psychology b |
513 |
583 |
582 |
586 |
584 |
600 |
607 |
608 |
Clinical psychology |
35 |
46 |
46 |
42 |
52 |
54 |
59 |
56 |
Psychology, general |
328 |
338 |
331 |
376 |
333 |
343 |
307 |
319 |
Psychology nec |
150 |
199 |
205 |
168 |
199 |
203 |
241 |
233 |
Social sciences |
240 |
299 |
299 |
320 |
320 |
358 |
366 |
418 |
Agricultural economics |
32 |
46 |
42 |
44 |
41 |
41 |
42 |
56 |
Anthropology (cultural and social) |
40 |
53 |
53 |
63 |
57 |
59 |
45 |
57 |
Economics (except agricultural) |
8 |
19 |
23 |
22 |
22 |
18 |
12 |
14 |
Geography |
51 |
34 |
34 |
36 |
50 |
53 |
51 |
55 |
History and philosophy of science |
2 |
3 |
3 |
2 |
3 |
4 |
2 |
7 |
Linguistics |
7 |
12 |
12 |
13 |
8 |
13 |
16 |
17 |
Political science |
26 |
22 |
22 |
23 |
31 |
29 |
64 |
53 |
Sociology |
23 |
18 |
18 |
13 |
26 |
45 |
44 |
42 |
Sociology and anthropology |
5 |
0 |
0 |
1 |
0 |
0 |
2 |
2 |
Social sciences nec |
46 |
92 |
92 |
103 |
82 |
96 |
88 |
115 |
Engineering |
2,879 |
3,001 |
3,034 |
3,464 |
4,089 |
4,303 |
4,079 |
4,251 |
Aerospace engineering |
117 |
111 |
111 |
96 |
114 |
122 |
134 |
117 |
Agricultural engineering |
108 |
128 |
128 |
128 |
110 |
110 |
101 |
111 |
Architecture a |
na |
na |
2 |
7 |
18 |
7 |
13 |
2 |
Biomedical engineering |
260 |
273 |
273 |
306 |
438 |
482 |
509 |
600 |
Chemical engineering |
498 |
502 |
534 |
602 |
744 |
708 |
743 |
692 |
Civil engineering a |
319 |
278 |
279 |
322 |
382 |
393 |
369 |
410 |
Electrical engineering |
490 |
570 |
569 |
692 |
708 |
737 |
659 |
725 |
Engineering science |
51 |
31 |
22 |
69 |
74 |
54 |
72 |
88 |
Industrial engineering |
43 |
50 |
45 |
90 |
83 |
122 |
73 |
71 |
Mechanical engineering |
386 |
466 |
463 |
493 |
586 |
622 |
522 |
563 |
Metallurgical and materials engineering |
386 |
359 |
368 |
394 |
500 |
566 |
595 |
596 |
Mining engineering |
11 |
4 |
5 |
5 |
4 |
4 |
4 |
5 |
Nuclear engineering |
45 |
47 |
43 |
51 |
60 |
66 |
60 |
63 |
Petroleum engineering |
12 |
13 |
13 |
15 |
23 |
25 |
17 |
32 |
Engineering nec |
153 |
169 |
179 |
194 |
245 |
285 |
208 |
176 |
Health |
6,364 |
6,530 |
6,500 |
6,820 |
7,845 |
8,986 |
8,712 |
9,305 |
Clinical medicine |
4,795 |
4,873 |
4,746 |
5,041 |
5,812 |
6,781 |
6,728 |
7,040 |
Anesthesiology |
110 |
143 |
143 |
139 |
161 |
170 |
169 |
184 |
Cardiology |
132 |
118 |
118 |
171 |
185 |
299 |
331 |
428 |
Endocrinology |
157 |
136 |
136 |
145 |
163 |
160 |
160 |
186 |
Gastroenterology |
119 |
73 |
73 |
90 |
116 |
149 |
170 |
155 |
Hematology |
177 |
150 |
150 |
192 |
241 |
177 |
182 |
181 |
Neurology a |
509 |
490 |
387 |
393 |
514 |
441 |
376 |
304 |
Obstetrics and gynecology |
113 |
97 |
97 |
114 |
142 |
161 |
160 |
146 |
Oncology and cancer research |
558 |
657 |
670 |
590 |
691 |
839 |
810 |
843 |
Ophthalmology |
124 |
116 |
112 |
162 |
175 |
186 |
186 |
232 |
Otorhinolaryngology |
77 |
65 |
65 |
70 |
69 |
77 |
66 |
63 |
Pediatrics |
399 |
429 |
429 |
427 |
441 |
577 |
763 |
821 |
Preventive medicine and community health |
180 |
216 |
219 |
239 |
264 |
406 |
391 |
476 |
Psychiatry |
346 |
333 |
307 |
329 |
386 |
441 |
443 |
528 |
Pulmonary disease |
85 |
104 |
104 |
113 |
110 |
146 |
159 |
152 |
Radiology |
181 |
208 |
208 |
220 |
299 |
317 |
333 |
290 |
Surgery |
465 |
448 |
435 |
473 |
554 |
625 |
517 |
581 |
Clinical medicine nec |
1,063 |
1,090 |
1,093 |
1,174 |
1,301 |
1,610 |
1,512 |
1,470 |
Other health |
1,569 |
1,657 |
1,754 |
1,779 |
2,033 |
2,205 |
1,984 |
2,265 |
Dental sciences |
149 |
153 |
187 |
179 |
189 |
265 |
244 |
250 |
Nursing |
45 |
52 |
52 |
66 |
50 |
47 |
64 |
54 |
Pharmaceutical sciences |
713 |
731 |
773 |
779 |
931 |
1,030 |
965 |
908 |
Speech pathology and audiology |
45 |
53 |
53 |
44 |
41 |
40 |
34 |
38 |
Veterinary sciences |
368 |
319 |
379 |
414 |
427 |
403 |
390 |
478 |
Other health nec |
249 |
349 |
310 |
297 |
395 |
420 |
287 |
537 |