| 1995 | 1998 | 1999 | 2000 | 2001 | 2002 | |
| Total number | 292 | 294 | 291 | 167 | 158 | 224 |
| by class of inland waterways | ||||||
| class I to IV | 292 | 294 | 291 | 167 | 158 | 224 |
| by year of construction | ||||||
| up to 1949 | 11 | 1 | 1 | 1 | 1 | 1 |
| 1950 - 1969 | 23 | 55 | 54 | 47 | 41 | 58 |
| 1970 - 1979 | 61 | 52 | 52 | 34 | 29 | 45 |
| 1980 - 1989 | 184 | 168 | 166 | 71 | 67 | 83 |
| 1990 and over | 13 | 18 | 18 | 14 | 20 | 37 |
| Registered tonnes - total (thous. tonnes) | 231,94 | 178,29 | 176,73 | 87,47 | 97,91 | 130,93 |
| by class of inland waterways | ||||||
| class I to IV | 231,94 | 177,53 | 176,73 | 87,47 | 97,91 | 130,93 |
| by year of construction | ||||||
| up to 1949 | 6,91 | 0,08 | 0,08 | 0,03 | 0,03 | 0,03 |
| 1950 - 1969 | 15,96 | 13,93 | 13,60 | 15,67 | 14,72 | 17,22 |
| 1970 - 1979 | 71,20 | 30,66 | 30,66 | 11,94 | 12,65 | 21,44 |
| 1980 - 1989 | 130,51 | 122,93 | 122,45 | 53,17 | 51,21 | 58,24 |
| 1990 and over | 7,37 | 9,93 | 9,93 | 6,66 | 19,30 | 34,00 |
| Source: SPS |
