All surveyed fields |
297,825 |
299,671 |
307,490 |
311,179 |
303,120 |
297,171 |
291,550 |
291,056 |
Science and engineering |
211,106 |
218,295 |
227,273 |
231,997 |
237,749 |
240,481 |
242,732 |
242,548 |
Science |
183,162 |
188,321 |
196,801 |
200,460 |
204,431 |
206,028 |
208,991 |
207,997 |
Agricultural sciences |
6,299 |
6,444 |
6,627 |
6,891 |
7,485 |
7,819 |
8,026 |
8,229 |
Biological sciences |
39,369 |
40,651 |
40,754 |
41,334 |
41,818 |
42,571 |
42,833 |
43,206 |
Anatomy |
487 |
505 |
428 |
383 |
428 |
432 |
380 |
353 |
Biochemistry |
2,812 |
2,899 |
2,868 |
2,691 |
2,615 |
2,655 |
2,550 |
2,574 |
Biology |
9,056 |
9,042 |
8,891 |
9,226 |
9,494 |
9,582 |
9,474 |
9,096 |
Biometry and epidemiology |
2,985 |
3,330 |
3,412 |
3,560 |
3,395 |
3,747 |
3,927 |
4,549 |
Biophysics |
405 |
418 |
417 |
383 |
377 |
376 |
366 |
344 |
Botany |
962 |
977 |
940 |
945 |
971 |
979 |
985 |
913 |
Cell biology |
3,530 |
3,653 |
3,742 |
3,903 |
3,950 |
3,823 |
3,743 |
3,702 |
Ecology |
1,224 |
1,249 |
1,139 |
1,126 |
960 |
1,009 |
958 |
913 |
Entomology and parasitology |
518 |
507 |
507 |
504 |
512 |
550 |
539 |
571 |
Genetics |
1,317 |
1,284 |
1,274 |
1,277 |
1,351 |
1,373 |
1,401 |
1,356 |
Microbiology, immunology, and virology |
3,050 |
3,060 |
3,004 |
2,933 |
2,911 |
2,849 |
2,905 |
2,826 |
Nutrition |
3,941 |
4,117 |
3,865 |
4,172 |
4,300 |
4,479 |
4,400 |
4,348 |
Pathology |
981 |
999 |
964 |
1,011 |
910 |
835 |
801 |
722 |
Pharmacology |
1,664 |
1,679 |
1,671 |
1,679 |
1,772 |
1,755 |
1,709 |
1,733 |
Physiology |
1,275 |
1,277 |
1,460 |
1,505 |
1,425 |
1,466 |
1,490 |
1,515 |
Zoology |
586 |
571 |
595 |
466 |
476 |
508 |
634 |
654 |
Biological sciences nec |
4,576 |
5,084 |
5,577 |
5,570 |
5,971 |
6,153 |
6,571 |
7,037 |
Communicationa |
ne |
ne |
4,647 |
5,381 |
6,029 |
6,353 |
7,041 |
7,168 |
Computer sciences |
12,062 |
12,206 |
12,017 |
12,545 |
13,053 |
12,807 |
12,607 |
13,223 |
Earth, atmospheric, and ocean sciences |
7,004 |
6,951 |
6,650 |
6,621 |
6,815 |
7,200 |
7,175 |
7,386 |
Atmospheric sciences |
367 |
395 |
419 |
449 |
447 |
484 |
477 |
509 |
Geosciences |
3,081 |
3,055 |
3,040 |
3,042 |
3,195 |
3,493 |
3,461 |
3,679 |
Oceanography |
1,497 |
1,464 |
1,439 |
1,433 |
1,431 |
1,423 |
1,494 |
1,481 |
Earth, atmospheric, and ocean sciences nec |
2,059 |
2,037 |
1,752 |
1,697 |
1,742 |
1,800 |
1,743 |
1,717 |
Family and consumer sciences and human sciencesa |
ne |
ne |
2,327 |
2,958 |
3,203 |
3,461 |
3,721 |
3,385 |
Mathematical sciences |
7,693 |
7,781 |
7,678 |
7,751 |
7,979 |
8,127 |
8,360 |
8,618 |
Mathematics and applied mathematics |
5,772 |
5,751 |
5,648 |
5,540 |
5,787 |
5,768 |
5,899 |
6,028 |
Statistics |
1,921 |
2,030 |
2,030 |
2,211 |
2,192 |
2,359 |
2,461 |
2,590 |
Multidisciplinary and interdisciplinary studiesa |
ne |
ne |
2,560 |
3,234 |
3,809 |
4,493 |
3,431 |
3,067 |
Neurosciencea |
na |
na |
863 |
1,097 |
1,264 |
1,474 |
2,199 |
2,371 |
Physical sciences |
12,005 |
12,253 |
12,109 |
12,333 |
12,691 |
12,826 |
13,112 |
13,216 |
Astronomy |
407 |
414 |
414 |
410 |
431 |
423 |
423 |
423 |
Chemistry |
8,644 |
8,821 |
8,770 |
8,983 |
9,222 |
9,261 |
9,441 |
9,575 |
Physics |
2,710 |
2,776 |
2,768 |
2,758 |
2,846 |
2,899 |
2,979 |
2,992 |
Physical sciences nec |
244 |
242 |
157 |
182 |
192 |
243 |
269 |
226 |
Psychologyb |
43,703 |
45,594 |
45,116 |
44,615 |
42,536 |
40,238 |
40,921 |
40,585 |
Clinical psychology |
10,843 |
11,294 |
11,269 |
10,589 |
10,205 |
9,455 |
8,210 |
7,792 |
Psychology, general |
11,989 |
13,405 |
13,036 |
12,581 |
10,867 |
9,992 |
12,533 |
12,338 |
Psychology nec |
20,871 |
20,895 |
20,811 |
21,445 |
21,464 |
20,791 |
20,178 |
20,455 |
Social sciences |
55,027 |
56,441 |
55,453 |
55,700 |
57,749 |
58,659 |
59,565 |
57,543 |
Agricultural economics |
909 |
907 |
849 |
914 |
949 |
927 |
908 |
888 |
Anthropology (cultural and social) |
5,215 |
5,151 |
5,169 |
5,314 |
5,337 |
5,490 |
5,357 |
5,287 |
Economics (except agricultural) |
4,343 |
4,555 |
4,699 |
4,815 |
5,120 |
5,214 |
5,544 |
5,560 |
Geography |
2,002 |
1,971 |
1,971 |
1,999 |
2,071 |
2,172 |
2,195 |
2,150 |
History and philosophy of science |
428 |
482 |
449 |
496 |
409 |
316 |
266 |
243 |
Linguistics |
1,986 |
1,993 |
1,876 |
2,002 |
1,940 |
1,888 |
1,940 |
1,974 |
Political science |
22,239 |
22,146 |
21,820 |
21,696 |
23,379 |
23,970 |
26,163 |
25,811 |
Sociology |
5,793 |
6,235 |
6,163 |
6,440 |
6,159 |
6,326 |
6,185 |
5,634 |
Sociology and anthropology |
547 |
552 |
455 |
424 |
371 |
218 |
204 |
185 |
Social sciences nec |
11,565 |
12,449 |
12,002 |
11,600 |
12,014 |
12,138 |
10,803 |
9,811 |
Engineering |
27,944 |
29,974 |
30,472 |
31,537 |
33,318 |
34,453 |
33,741 |
34,551 |
Aerospace engineering |
709 |
700 |
700 |
722 |
734 |
784 |
782 |
705 |
Agricultural engineering |
350 |
366 |
366 |
398 |
437 |
509 |
618 |
590 |
Architecturea |
na |
na |
1,974 |
2,612 |
2,997 |
3,044 |
1,443 |
1,116 |
Biomedical engineering |
2,486 |
2,610 |
2,621 |
2,761 |
2,979 |
3,133 |
3,459 |
3,503 |
Chemical engineering |
2,159 |
2,235 |
2,266 |
2,409 |
2,616 |
2,722 |
2,850 |
2,937 |
Civil engineeringa |
5,423 |
6,348 |
4,736 |
4,765 |
5,301 |
5,571 |
5,589 |
5,805 |
Electrical engineering |
7,026 |
7,367 |
7,439 |
7,340 |
7,174 |
7,193 |
7,430 |
7,773 |
Engineering science |
451 |
412 |
409 |
471 |
478 |
438 |
434 |
452 |
Industrial engineering |
3,466 |
3,520 |
3,544 |
3,714 |
3,800 |
3,684 |
3,610 |
3,699 |
Mechanical engineering |
2,485 |
2,615 |
2,614 |
2,749 |
2,990 |
3,186 |
3,163 |
3,465 |
Metallurgical and materials engineering |
1,390 |
1,460 |
1,473 |
1,533 |
1,589 |
1,754 |
1,876 |
1,977 |
Mining engineering |
43 |
51 |
37 |
49 |
55 |
77 |
93 |
61 |
Nuclear engineering |
214 |
226 |
221 |
214 |
198 |
228 |
225 |
225 |
Petroleum engineering |
135 |
183 |
183 |
191 |
209 |
235 |
229 |
287 |
Engineering nec |
1,607 |
1,881 |
1,889 |
1,609 |
1,761 |
1,895 |
1,940 |
1,956 |
Healthb |
86,719 |
81,376 |
80,217 |
79,182 |
65,371 |
56,690 |
48,818 |
48,508 |
Clinical medicine |
15,533 |
16,306 |
15,350 |
16,347 |
16,445 |
17,857 |
18,788 |
18,838 |
Anesthesiology |
905 |
561 |
561 |
354 |
249 |
193 |
2 |
1 |
Cardiology |
11 |
29 |
29 |
22 |
20 |
22 |
27 |
17 |
Endocrinology |
21 |
24 |
24 |
47 |
33 |
31 |
33 |
31 |
Gastroenterology |
10 |
14 |
14 |
7 |
8 |
3 |
1 |
1 |
Hematology |
4 |
7 |
7 |
4 |
6 |
3 |
1 |
3 |
Neurologya |
1,571 |
1,820 |
932 |
782 |
676 |
552 |
107 |
89 |
Obstetrics and gynecology |
33 |
57 |
57 |
65 |
69 |
61 |
72 |
70 |
Oncology and cancer research |
195 |
207 |
152 |
154 |
156 |
136 |
147 |
142 |
Ophthalmology |
280 |
291 |
273 |
0 |
0 |
1 |
0 |
1 |
Otorhinolaryngology |
7 |
9 |
9 |
9 |
2 |
2 |
1 |
1 |
Pediatrics |
236 |
249 |
249 |
163 |
141 |
161 |
86 |
75 |
Preventive medicine and community health |
10,113 |
11,011 |
11,468 |
12,818 |
13,452 |
14,865 |
16,741 |
17,084 |
Psychiatry |
219 |
234 |
177 |
152 |
182 |
207 |
72 |
87 |
Pulmonary disease |
4 |
9 |
9 |
6 |
9 |
8 |
9 |
5 |
Radiology |
140 |
84 |
85 |
85 |
115 |
124 |
100 |
105 |
Surgery |
41 |
21 |
11 |
11 |
18 |
29 |
6 |
7 |
Clinical medicine nec |
1,743 |
1,679 |
1,293 |
1,668 |
1,309 |
1,459 |
1,383 |
1,119 |
Other healthb |
71,186 |
65,070 |
64,867 |
62,835 |
48,926 |
38,833 |
30,030 |
29,670 |
Dental sciences |
686 |
625 |
699 |
679 |
751 |
744 |
746 |
802 |
Nursing |
32,539 |
28,842 |
28,910 |
27,746 |
19,462 |
10,932 |
6,505 |
6,666 |
Pharmaceutical sciences |
3,532 |
2,670 |
2,722 |
2,211 |
2,298 |
2,227 |
2,150 |
2,302 |
Speech pathology and audiology |
13,850 |
14,974 |
14,980 |
14,755 |
13,590 |
13,531 |
13,357 |
13,059 |
Veterinary sciences |
1,309 |
1,293 |
1,510 |
1,597 |
1,362 |
1,415 |
1,187 |
1,129 |
Other health nec |
19,270 |
16,666 |
16,046 |
15,847 |
11,463 |
9,984 |
6,085 |
5,712 |