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Table 36. Postdoctoral appointees in science, engineering, and health in private institutions, by detailed field: 2007–13
Field 2007a 2008 2009 2010b, c 2011c 2012 2013
All surveyed fields 22,653 24,478 25,338 28,305 28,373 28,277 28,068
   Science and engineering 14,536 15,337 16,182 18,172 18,567 18,572 18,499
      Science 12,628 13,339 13,855 15,506 15,860 15,720 15,684
         Agricultural sciences 62 50 50 54 79 66 99
         Biological sciences 8,509 8,983 8,889 10,184 10,138 9,733 9,473
            Anatomy 121 119 141 128 113 89 82
            Biochemistry 919 1,004 933 1,059 1,017 984 858
            Biology 1,222 1,289 1,221 1,270 1,200 1,185 1,064
            Biometry and epidemiology 156 169 198 339 324 304 415
            Biophysics 137 128 123 200 142 125 113
            Botany 11 14 15 14 31 19 13
            Cell biology 1,305 1,231 1,275 1,392 1,409 1,340 1,286
            Ecology 51 63 76 82 82 78 47
            Entomology and parasitology 11 12 6 10 12 23 24
            Genetics 594 645 669 921 942 930 908
            Microbiology, immunology, and virology 1,115 1,093 1,104 1,285 1,265 1,224 1,170
            Nutrition 30 19 14 51 58 52 42
            Pathology 1,078 1,204 1,117 1,108 1,040 975 958
            Pharmacology 475 516 535 644 629 547 513
            Physiology 527 559 585 622 663 601 648
            Zoology 0 0 0 0 0 0 0
            Biological sciences nec 757 918 877 1,059 1,211 1,257 1,332
         Communication 16 23 27 33 37 41 51
         Computer sciences 209 227 275 334 358 365 335
         Earth, atmospheric, and ocean sciences 329 386 420 435 455 517 590
            Atmospheric sciences 8 11 8 12 26 19 22
            Geosciences 211 246 265 277 260 290 333
            Oceanography 94 106 114 65 84 113 125
            Earth, atmospheric, and ocean sciences nec 16 23 33 81 85 95 110
         Family and consumer sciences and human sciences 0 0 2 6 13 13 31
         Mathematical sciences 206 273 291 343 315 336 346
            Mathematics and applied mathematics 180 233 257 308 275 292 296
            Statistics 26 40 34 35 40 44 50
         Multidisciplinary and interdisciplinary studies 36 40 66 159 142 176 215
         Neuroscience 193 246 368 473 758 902 988
         Physical sciences 2,378 2,432 2,591 2,600 2,640 2,666 2,647
            Astronomy 160 189 218 245 242 234 184
            Chemistry 1,389 1,391 1,417 1,430 1,389 1,444 1,426
            Physics 791 808 895 842 918 911 957
            Physical sciences nec 38 44 61 83 91 77 80
         Psychology 506 491 635 532 517 524 443
            Clinical psychology 26 23 78 81 35 48 42
            Psychology, general 355 356 422 321 332 294 256
            Psychology nec 125 112 135 130 150 182 145
         Social sciences 184 188 241 353 408 381 466
            Agricultural economics 2 1 2 3 5 4 6
            Anthropology (cultural and social) 27 25 20 27 37 39 51
            Economics (except agricultural) 14 13 43 42 26 36 37
            Geography 6 4 8 9 7 14 24
            History and philosophy of science 6 7 6 13 7 7 11
            Linguistics 8 8 6 14 15 14 18
            Political science 22 32 46 64 156 123 169
            Sociology 35 29 33 38 47 55 51
            Sociology and anthropology 1 1 3 0 0 0 0
            Social sciences nec 63 68 74 143 108 89 99
      Engineering 1,908 1,998 2,327 2,666 2,707 2,852 2,815
         Aerospace engineering 67 58 54 90 68 53 67
         Agricultural engineering 11 7 0 9 28 22 19
         Architecture 3 4 4 3 3 4 12
         Biomedical engineering 367 404 522 541 560 561 540
         Chemical engineering 256 278 340 369 394 406 470
         Civil engineering 138 143 153 178 182 180 191
         Electrical engineering 315 295 317 358 376 427 441
         Engineering science 161 145 152 182 209 204 163
         Industrial engineering 26 25 26 29 48 56 51
         Mechanical engineering 259 291 362 399 367 422 420
         Metallurgical and materials engineering 196 211 258 275 265 258 234
         Mining engineering 0 0 0 0 0 0 0
         Nuclear engineering 30 34 30 41 51 57 43
         Petroleum engineering 9 13 13 19 18 21 23
         Engineering nec 70 90 96 173 138 181 141
   Health 8,117 9,141 9,156 10,133 9,806 9,705 9,569
      Clinical medicine 7,726 8,796 8,789 9,734 9,437 9,321 9,173
         Anesthesiology 191 256 274 327 238 252 254
         Cardiology 314 344 347 325 356 359 426
         Endocrinology 177 189 312 296 279 287 266
         Gastroenterology 172 146 153 154 173 164 182
         Hematology 143 152 188 170 182 186 185
         Neurology 917 970 904 864 653 648 598
         Obstetrics and gynecology 85 114 137 188 164 161 148
         Oncology and cancer research 838 981 990 1,080 1,057 1,080 1,010
         Ophthalmology 259 304 287 280 275 286 287
         Otorhinolaryngology 60 67 68 65 92 81 85
         Pediatrics 472 558 562 734 678 762 766
         Preventive medicine and community health 132 140 131 224 263 254 262
         Psychiatry 484 559 532 518 536 561 565
         Pulmonary disease 94 124 141 139 135 127 137
         Radiology 633 625 678 715 654 689 660
         Surgery 774 776 788 642 724 792 767
         Clinical medicine nec 1,981 2,491 2,297 3,013 2,978 2,632 2,575
      Other health 391 345 367 399 369 384 396
         Dental sciences 85 91 102 88 102 93 92
         Nursing 13 26 20 8 15 22 29
         Pharmaceutical sciences 25 30 46 40 44 74 63
         Speech pathology and audiology 31 15 17 15 14 21 16
         Veterinary sciences 119 72 43 65 60 56 60
         Other health nec 118 111 139 183 134 118 136

nec = not elsewhere classified.
a In 2007, eligible fields were reclassified, newly eligible fields were added, and the survey was redesigned to improve coverage and coding of eligible units. 2007 data presented in this table are the data collected in 2007, which were labeled as "2007new" in the past publications. See appendix A in http://www.nsf.gov/statistics/nsf10307/ for more detail on the changes made in 2007.
b In 2010, the postdoc section of the survey was expanded, and significant effort was made to ensure that appropriate personnel were providing postdoc data (see appendix A for more information). Thus, it is unclear how much of the increases in 2010 and later years over 2009 and prior years are from growth in postdoctoral appointments and how much are from improved data collection. More information on the changes to the postdoc data collection is available at http://www.nsf.gov/statistics/infbrief/nsf13334/.
c Postdoc data from 2010 and 2011 were reimputed following the 2012 data collection; these data supersede those contained in previous reports.
NOTE: "Field" refers to the field of the unit that reports postdocs to the Survey of Graduate Students and Postdoctorates in Science and Engineering.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, NSF-NIH Survey of Graduate Students and Postdoctorates in Science and Engineering.
Data from survey cycle Fall 2013, as of 8 August 2014.