| Year | Internal researchers in head count | Of which: | Internal researchers in head count, females | Of which: | ||||
|---|---|---|---|---|---|---|---|---|
| in R&D institutes and other budgetary research units | in higher education units | in business enterprises | in R&D institutes and other budgetary research units | in higher education units | in business enterprises | |||
| 1990 | 30 256 | 8 770 | 14 044 | 7 442 | 8 489 | 2 568 | 4 086 | 1 835 |
| 1991 | 26 763 | 7 544 | 14 192 | 5 027 | 7 711 | 2 267 | 4 158 | 1 286 |
| 1992 | 24 110 | 6 531 | 14 295 | 3 284 | 7 361 | 1 932 | 4 501 | 928 |
| 1993 | 23 012 | 5 833 | 13 874 | 3 305 | 7 338 | 1 959 | 4 514 | 865 |
| 1994 | 22 401 | 4 966 | 13 897 | 3 538 | 7 328 | 1 801 | 4 556 | 971 |
| 1995 | 20 859 | 4 590 | 12 665 | 3 604 | 7 092 | 1 714 | 4 299 | 1 079 |
| 1996 | 20 485 | 5 339 | 12 249 | 2 897 | 6 649 | 1 638 | 4 113 | 898 |
| 1997 | 21 999 | 5 299 | 13 469 | 3 231 | 7 367 | 1 730 | 4 744 | 893 |
| 1998 | 23 547 | 5 262 | 14 884 | 3 401 | 8 129 | 1 911 | 5 293 | 925 |
| 1999 | 24 609 | 5 090 | 15 456 | 4 063 | 7 554 | 1 708 | 4 898 | 948 |
| 2000 | 27 876 | 5 366 | 17 760 | 4 750 | 9 537 | 2 008 | 6 303 | 1 226 |
| 2001 | 28 351 | 5 172 | 18 271 | 4 908 | 9 363 | 1 842 | 6 313 | 1 208 |
| 2002 | 29 764 | 5 735 | 18 648 | 5 381 | 10 039 | 2 189 | 6 576 | 1 274 |
| 2003 | 30 292 | 5 822 | 18 971 | 5 499 | 10 647 | 2 323 | 6 976 | 1 348 |
| 2004 | 30 420 | 5 921 | 19 044 | 5 455 | 10 484 | 2 284 | 6 904 | 1 296 |
| 2005 | 31 407 | 6 213 | 19 086 | 6 108 | 10 731 | 2 371 | 6 979 | 1 381 |
| 2006 | 32 786 | 6 217 | 18 928 | 7 641 | 10 973 | 2 367 | 6 928 | 1 678 |
| 2007 | 33 059 | 5 941 | 18 545 | 8 573 | 11 077 | 2 304 | 6 857 | 1 916 |
| 2008 | 33 739 | 5 750 | 18 581 | 9 408 | 11 139 | 2 198 | 6 840 | 2 101 |
| 2009 | 35 267 | 5 973 | 18 395 | 10 899 | 11 323 | 2 391 | 6 644 | 2 288 |
| 2010 | 35 700 | 6 148 | 17 332 | 12 220 | 11 418 | 2 505 | 6 274 | 2 639 |
| 2011 | 36 945 | 6 237 | 17 059 | 13 649 | 11 729 | 2 565 | 6 267 | 2 897 |
| 2012 | 37 019 | 5 726 | 16 551 | 14 742 | 11 453 | 2 377 | 6 251 | 2 825 |
| 2013 | 37 803 | 5 770 | 16 023 | 16 010 | 11 462 | 2 403 | 6 195 | 2 864 |
| 2014 | 39 190 | 6 257 | 15 925 | 17 008 | 11 897 | 2 688 | 6 204 | 3 005 |
| 2015 | 38 418 | 6 290 | 15 643 | 16 485 | 11 848 | 2 698 | 6 170 | 2 980 |
| 2016 | 38 915 | 6 150 | 16 039 | 16 726 | 11 969 | 2 606 | 6 398 | 2 965 |
| 2017 | 42 729 | 6 113 | 17 324 | 19 292 | 13 024 | 2 640 | 6 952 | 3 432 |
| 2018 | 45 949 | 5 937 | 17 914 | 22 098 | 13 674 | 2 495 | 7 232 | 3 947 |
| 2019 | 48 376 | 5 869 | 18 732 | 23 775 | 14 276 | 2 460 | 7 598 | 4 218 |