|   | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
|---|---|---|---|---|---|---|
| Total number of bus lines within the region | 23 852 | 24 169 | 24 495 | 28 504 | 29 748 | 30 071 |
| of which: | ||||||
| workdays | 18 337 | 18 680 | 19 095 | 21 095 | 21 794 | 22 063 |
| Saturdays | 2 161 | 2 156 | 2 102 | 3 052 | 3 354 | 3 441 |
| Sundays and holidays | 3 354 | 3 333 | 3 298 | 4 357 | 4 600 | 4 567 |
Source: CIS