| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | |
| Passenger transport (in 1000s) | 644 200 | 527 364 | 465 047 | 455 991 | 446 931 | 451 013 |
| non-regular | 29 100 | 21 968 | 16 304 | 16 268 | 15 868 | 16 226 |
| scheduled | 615 100 | 505 396 | 448 743 | 439 723 | 431 063 | 434 787 |
| of which international | 1 200 | 1 724 | 1 413 | 1 225 | 1 315 | 12 386 |
| national | 613 900 | 503 672 | 447 330 | 438 498 | 429 748 | 422 401 |
| Transport output (in millions passenger-kilometres) | 11 763,2 | 9 729,2 | 8 804,0 | 9 460,9 | 8 649,0 | 9 552,3 |
| non-regular | 2 842,9 | 2 911,3 | 2 578,2 | 2 317,2 | 2 307,1 | 2 736,4 |
| scheduled | 8 920,3 | 6 817,9 | 6 225,8 | 7 143,6 | 6 341,9 | 6 816,0 |
| of which international | 453,0 | 504,3 | 428,5 | 382,9 | 391,9 | 705,5 |
| national | 7 668,1 | 6 313,6 | 5 797,3 | 5 980,7 | 5 950,0 | 6 110,5 |
Source: transport statistics of the MDS
* since year 2000 change in the data collection