| Total | 2001 | 35 537 | 20 573 | 1 240 | 57.9 | 3.5 | 17 501 | 501 | 49.2 | 1.4 | 15 128 | 42.6 | 
 |  | 2002 | 39 041 | 22 077 | 1 252 | 56.5 | 3.2 | 19 414 |  | 49.7 |  |  |  | 
 |  | 2003 | 38 747 | 20 683 |  | 53.4 |  |  |  |  |  |  |  | 
 | C - Mining and quarrying | 2001 | 79 | 54 |  | 68.4 |  | 32 | 6 | 40.5 | 7.6 | 30 | 38.0 | 
 |  | 2002 | 65 | 30 | 4 | 46.2 | 6.2 | 29 |  | 44.6 |  |  |  | 
 |  | 2003 | 92 | 42 |  | 45.7 |  |  |  |  |  |  |  | 
 | D - Manufacturing | 2001 | 1 578 | 1 014 | 28 | 64.3 | 1.8 | 876 | 11 | 55.5 | 0.7 | 769 | 48.7 | 
 |  | 2002 | 1 521 | 948 | 31 | 62.3 | 2.0 | 868 |  | 57.1 |  |  |  | 
 |  | 2003 | 1 635 | 1 005 |  | 61.5 |  |  |  |  |  |  |  | 
 | E - Electricity, gas and water supply | 2001 | 59 | 34 | 5 | 57.6 | 8.5 | 32 | 1 | 54.2 | 1.7 | 27 | 45.8 | 
 |  | 2002 | 47 | 30 | 9 | 63.8 | 19.1 | 32 |  | 68.1 |  |  |  | 
 |  | 2003 | 119 | 51 |  | 42.9 |  |  |  |  |  |  |  | 
 | F - Construction | 2001 | 3 349 | 2 399 | 89 | 71.6 | 2.7 | 2 132 | 24 | 63.7 | 0.7 | 1 764 | 52.7 | 
 |  | 2002 | 3 976 | 2 871 | 95 | 72.2 | 2.4 | 2 423 |  | 60.9 |  |  |  | 
 |  | 2003 | 3 784 | 2 543 |  | 67.2 |  |  |  |  |  |  |  | 
 | G - Wholesale and retail trade, repair of motor vehichles, motorcycles and personal household goods | 2001 | 5 807 | 3 628 | 157 | 62.5 | 2.7 | 3 109 | 49 | 53.5 | 0.8 | 2 545 | 43.8 | 
 |  | 2002 | 6 379 | 4 125 | 176 | 64.7 | 2.8 | 3 467 |  | 54.4 |  |  |  | 
 |  | 2003 | 6 408 | 4 035 |  | 63.0 |  |  |  |  |  |  |  | 
 | H - Hotels and restaurants | 2001 | 1 138 | 870 | 18 | 76.4 | 1.6 | 723 | 8 | 63.5 | 0.7 | 571 | 50.2 | 
 |  | 2002 | 1 118 | 864 | 31 | 77.3 | 2.8 | 706 |  | 63.1 |  |  |  | 
 |  | 2003 | 1 152 | 837 |  | 72.7 |  |  |  |  |  |  |  | 
 | I - Transport, storage and communication | 2001 | 2 187 | 1 502 | 43 | 68.7 | 2.0 | 1 311 | 24 | 59.9 | 1.1 | 1 088 | 49.7 | 
 |  | 2002 | 2 448 | 1 627 | 98 | 66.5 | 4.0 | 1 405 |  | 57.4 |  |  |  | 
 |  | 2003 | 2 143 | 1 418 |  | 66.2 |  |  |  |  |  |  |  | 
 | J - Financial intermediation | 2001 | 358 | 279 | 3 | 77.9 | 0.8 | 133 | 63 | 37.2 | 17.6 | 176 | 49.2 | 
 |  | 2002 | 176 | 103 | 4 | 58.5 | 2.3 | 99 |  | 56.3 |  |  |  | 
 |  | 2003 | 366 | 204 |  | 55.7 |  |  |  |  |  |  |  | 
 | K - Real estate, renting and business activities | 2001 | 14 010 | 7 656 | 697 | 54.6 | 5.0 | 6 914 | 229 | 49.4 | 1.6 | 5 992 | 42.8 | 
 |  | 2002 | 14 028 | 8 252 | 606 | 58.8 | 4.3 | 7 225 |  | 51.5 |  |  |  | 
 |  | 2003 | 14 281 | 8 202 |  | 57.4 |  |  |  |  |  |  |  | 
 | M - Education | 2001 | 698 | 198 | 17 | 28.4 | 2.4 | 142 | 1 | 20.3 | 0.1 | 135 | 19.3 | 
 |  | 2002 | 922 | 181 | 6 | 19.6 | 0.7 | 171 |  | 18.5 |  |  |  | 
 |  | 2003 | 1 100 | 91 |  | 8.3 |  |  |  |  |  |  |  | 
 | N - Health and social work | 2001 | 2 119 | 1 108 | 53 | 52.3 | 2.5 | 772 | 1 | 36.4 | 0.0 | 753 | 35.5 | 
 |  | 2002 | 2 728 | 1 096 | 1 | 40.2 | 0.0 | 1 081 |  | 39.6 |  |  |  | 
 |  | 2003 | 2 953 | 771 |  | 26.1 |  |  |  |  |  |  |  | 
 | O - Other community, social and personal service activities | 2001 | 3 447 | 1 468 | 94 | 42.6 | 2.7 | 1 020 | 64 | 29.6 | 1.9 | 994 | 28.8 | 
 |  | 2002 | 4 021 | 1 186 | 111 | 29.5 | 2.8 | 1 191 |  | 29.6 |  |  |  | 
 |  | 2003 | 4 202 | 1 251 |  | 29.8 |  |  |  |  |  |  |  | 
 | P - Private households with employed persons | 2001 | 10 | 1 |  | 10.0 |  | 1 |  | 10.0 |  | 1 | 10.0 | 
 |  | 2002 | 11 | 3 |  | 27.3 |  | 2 |  | 18.2 |  |  |  | 
 |  | 2003 | 13 | 3 |  | 23.1 |  |  |  |  |  |  |  | 
 | Q - Extra-territorial organizations and bodies | 2001 | 1 | - |  | - |  |  |  |  |  |  |  | 
 | Unknown | 2001 | 697 | 362 | 36 | 51.9 | 5.2 | 304 | 20 | 43.6 | 2.9 | 283 | 40.6 | 
 |  | 2002 | 1 601 | 761 | 80 | 47.5 | 5.0 | 715 |  | 44.7 |  |  |  | 
 |  | 2003 | 499 | 230 |  | 46.1 |  |  |  |  |  |  |  | 
 |  |