| Year | Contract of indefinite duration | Fixed-term contract | Total number of employees | ||||
|---|---|---|---|---|---|---|---|
| male | female | together | male | female | together | ||
| 1998 | 1 512.2 | 1 390.5 | 2 902.7 | 114.4 | 88.8 | 203.2 | 3 105.9 |
| 1999 | 1 572.9 | 1 444.5 | 3 017.4 | 108.6 | 89.1 | 197.7 | 3 215.1 |
| 2000 | 1 578.1 | 1 464.6 | 3 042.7 | 131.1 | 102.3 | 233.4 | 3 276.1 |
| 2001 | 1 596.7 | 1 468.7 | 3 065.4 | 141.3 | 106.9 | 248.2 | 3 313.6 |
| 2002 | 1 615.3 | 1 478.5 | 3 093.8 | 138.5 | 104.9 | 243.4 | 3 337.2 |
| 2003 | 1 620.8 | 1 522.0 | 3 142.8 | 147.3 | 109.1 | 256.4 | 3 399.2 |
| 2004 | 1 614.6 | 1 504.3 | 3 118.9 | 130.4 | 98.5 | 228.9 | 3 347.8 |
| 2005 | 1 623.8 | 1 506.6 | 3 130.4 | 133.1 | 103.8 | 236.9 | 3 367.3 |
| 2006 | 1 665.9 | 1 527.3 | 3 193.2 | 135.9 | 99.8 | 235.7 | 3 428.9 |
| 2007 | 1 666.2 | 1 499.2 | 3 165.3 | 140.1 | 110.1 | 250.2 | 3 415.5 |
| 2008 | 1 621.0 | 1 491.2 | 3 112.2 | 152.9 | 113.3 | 266.2 | 3 378.4 |
| 2009 | 1 555.1 | 1 442.2 | 2 997.2 | 155.1 | 122.5 | 277.7 | 3 274.9 |
| 2010 | 1 515.9 | 1 437.2 | 2 953.0 | 172.5 | 147.2 | 319.6 | 3 272.7 |
| 2011 | 1 547.0 | 1 455.6 | 3 002.6 | 166.0 | 134.0 | 299.9 | 3 302.5 |
| 2012 | 1 571.3 | 1 484.6 | 3 056.0 | 183.4 | 138.8 | 322.2 | 3 378.1 |
| 2013 | 1 605.1 | 1 471.2 | 3 076.2 | 206.9 | 170.7 | 377.6 | 3 453.8 |
| 2014 | 1 695.6 | 1 548.2 | 3 243.8 | 214.6 | 177.9 | 392.6 | 3 636.4 |
| 2015 | 1 748.4 | 1 572.9 | 3 321.4 | 228.7 | 196.9 | 425.6 | 3 747.0 |
| 2016 | 1 864.4 | 1 638.7 | 3 503.2 | 191.9 | 185.8 | 377.8 | 3 880.9 |
| 2017 | 1 951.1 | 1 664.0 | 3 615.1 | 174.8 | 174.6 | 349.4 | 3 964.4 |
| 2018 | 2 001.1 | 1 710.3 | 3 711.4 | 144.2 | 148.3 | 292.5 | 4 003.9 |
| 2019 | 2 027.5 | 1 728.9 | 3 756.3 | 132.9 | 134.3 | 267.2 | 4 023.6 |
| 2020 | 2 000.2 | 1 691.6 | 3 691.7 | 113.1 | 118.4 | 231.5 | 3 923.2 |