|   | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
|---|---|---|---|---|---|---|
| Total number of bus lines within the region | 16 851 | 17 050 | 17 548 | 17 608 | 17 739 | 17 849 |
| of which: | ||||||
| workdays | 13 750 | 13 885 | 14 312 | 14 384 | 14 510 | 14 627 |
| Saturdays | 1 325 | 1 371 | 1 377 | 1 371 | 1 370 | 1 340 |
| Sundays and holidays | 1 776 | 1 794 | 1 859 | 1 853 | 1 859 | 1 882 |
Source: CIS