| | 2005 | 2006 | 2007 | 2008 | | |
| Inhabitants |
| Inhabitants | 80 055 | 80 055 | 80 055 | 80 014 | 0 | 0 |
| Premises |
| Surface (m²) | 2 450 | 2 450 | 2 280 | 2 280 | 0 | 0 |
| Branch libraries | 4 | 3 | 3 | 3 | 0 | 0 |
| Opening hours per week | 22,0 | 22,0 | 22,0 | 22,0 | 0,0 | 0,0 |
| Staff |
| Staff expenditures (EUR) | 821 260 | 877 703 | 1 045 414 | 1 092 613 | 0 | 0 |
| Jobs (full-time equivalent) | 25 | 26 | 26 | 27 | 0 | 0 |
| Percentage of specifical jobs | 89 % | 89 % | 91 % | 85 % | 0 % | 0 % |
| Library material |
| Number of books | 83 228 | 72 322 | 96 639 | 93 049 | 0 | 0 |
| Number of sound recordings | 26 121 | 27 967 | 29 770 | 31 025 | 0 | 0 |
| Nombre of video recordings | 4 810 | 5 632 | 6 823 | 7 612 | 0 | 0 |
| Number of CDR-ROMs | 0 | 0 | 0 | 0 | 0 | 0 |
| Number of Internet workstations | 0 | 0 | 0 | 0 | 0 | 0 |
| Acquisitions |
| Collection expenditures (EUR) | 149 927 | 80 291 | 156 189 | 145 037 | 0 | 0 |
| Number of books and printed materials acquired | 6 377 | 7 509 | 5 596 | 5 492 | 0 | 0 |
| Number of periodicals suscribtions | 317 | 180 | 181 | 0 | 0 | 0 |
| Number of sound recordings acquired | 2 000 | 1 539 | 1 781 | 1 435 | 0 | 0 |
| Number of video recordings acquired | 1 208 | 920 | 1 148 | 818 | 0 | 0 |
| Number of CD-ROMs acquired | 0 | 0 | 0 | 0 | 0 | 0 |
| Borrowers |
| Number of borrowers | 4 322 | 6 983 | 5 931 | 6 027 | 0 | 0 |
| Loans |
| Number of loans of books and printed material | 153 604 | 154 440 | 144 751 | 173 473 | 0 | 0 |
| Number of loans of sound recordings | 68 161 | 63 850 | 60 799 | 60 476 | 0 | 0 |
| Number of loans of video recordings | 43 601 | 42 534 | 43 409 | 46 282 | 0 | 0 |
| Total number of loans | 265 366 | 260 824 | 248 959 | 280 231 | 0 | 0 |