|   | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
|---|---|---|---|---|---|---|
| Total number of bus lines within the region | 25 365 | 26 314 | 26 781 | 27 137 | 27 883 | 27 099 |
| of which: | ||||||
| workdays | 20 105 | 20 749 | 21 176 | 21 404 | 22 026 | 21 271 |
| Saturdays | 1 761 | 1 860 | 1 856 | 1 914 | 2 012 | 1 950 |
| Sundays and holidays | 3 499 | 3 705 | 3 749 | 3 819 | 3 845 | 3 878 |
Source: CIS