|   | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
|---|---|---|---|---|---|---|
| Total number of bus lines within the region | 13 646 | 13 991 | 14 241 | 14 406 | 15 616 | 16 150 |
| of which: | ||||||
| workdays | 9 724 | 9 974 | 10 163 | 10 368 | 10 848 | 11 170 |
| Saturdays | 1 788 | 1 830 | 1 868 | 1 860 | 2 223 | 2 300 |
| Sundays and holidays | 2 134 | 2 187 | 2 210 | 2 178 | 2 545 | 2 680 |
Source: CIS