| 1995 | 1998 | 1999 | 2000 | 2001 | 2002 | |
| Total number of accidents | 32 | 16 | 17 | 19 | 15 | 14 |
| of which | ||||||
| small accidents | 15 | 12 | 15 | 16 | 14 | 12 |
| medium accidents | 14 | 0 | 0 | 0 | 0 | 0 |
| great accidents | 3 | 4 | 2 | 3 | 1 | 2 |
| Number of persons killed | 2 | 0 | 0 | 2 | 1 | 0 |
| Number of persons injured | 1 | 0 | 0 | 2 | 0 | 2 |
| Source: SPS |
