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. 2015 Sep 15;10(9):e0138176. doi: 10.1371/journal.pone.0138176

Table 1. Annual Average Values of Key Variables, by Decade and University Characteristics.

Full Research Status Control
Sample Research 1 Other Private Public
1990–1999
Federally Funded R&D (thousands) $ 5,203 $ 7,190 $ 2,559 $ 6,010 $ 4,823
Federally Funded Equipment Expenditures $ 515 $ 704 $ 263 $ 582 $ 483
Federally Funded Non-Equipment Expenditures $ 4,688 $ 6,486 $ 2,297 $ 5,427 $ 4,340
Non-Federally Funded R&D (thousands) $ 2,821 $ 3,596 $ 1,791 $ 2,024 $ 3,196
Non-Federally Funded Equipment Expenditures $ 253 $ 311 $ 177 $ 184 $ 286
Non-Federally Funded Non-Equipment Expenditures $ 2,568 $ 3,285 $ 1,614 $ 1,840 $ 2,910
Total R&D Expenditures $ 8,024 $ 10,786 $ 4,350 $ 8,034 $ 8,019
Percent R&D Federally Funded 64.6% 66.1% 62.5% 72.0% 61.1%
Full Time Faculty 33 40 24 28 35
Graduate Students Enrolled 150 190 96 126 161
Ph.D.s awarded 18 25 8 16 19
Postdoctoral Researchers 27 39 11 29 26
Number of publications 120 174 48 113 123
Total 3-year citations 832 1,295 211 1,041 734
2000–2009
Federally Funded R&D (thousands) $ 6,954 $ 9,491 $ 3,571 $ 7,048 $ 6,909
Federally Funded Equipment Expenditures $ 524 $ 687 $ 307 $ 483 $ 543
Federally Funded Non-Equipment Expenditures $ 6,430 $ 8,804 $ 3,264 $ 6,565 $ 6,366
Non-Federally Funded R&D (thousands) $ 3,902 $ 5,196 $ 2,177 $ 2,370 $ 4,622
Non-Federally Funded Equipment Expenditures $ 344 $ 450 $ 204 $ 192 $ 416
Non-Federally Funded Non-Equipment Expenditures $ 3,558 $ 4,746 $ 1,974 $ 2,179 $ 4,206
Total R&D Expenditures $ 10,856 $ 14,687 $ 5,749 $ 9,418 $ 11,532
Percent R&D Federally Funded 66.2% 66.2% 66.2% 73.8% 62.6%
Full Time Faculty 34 41 26 29 36
Graduate Students Enrolled 158 205 95 135 168
Ph.D.s awarded 18 26 8 16 19
Postdoctoral Researchers 31 44 13 34 29
Number of publications 209 297 92 200 213
Total 3-year citations 1,650 2,465 562 1,857 1,552
Number of institutions 147 84 63 47 100