| 2015 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|
| Total number | 107 | 87 | 89 | 92 | 82 | 93 |
| by class of inland waterways | ||||||
| class I to IV | 107 | 87 | 89 | 92 | 82 | 93 |
| by year of construction | ||||||
| up to 1974 | 23 | 26 | 27 | 27 | 21 | 23 |
| 1975 - 1999 | 78 | 54 | 56 | 60 | 55 | 63 |
| 2000 - 2019 | 6 | 7 | 6 | 5 | 6 | 7 |
| 2020 and more | 0 | 0 | 0 | 0 | 0 | |
| Total registered tonnes (thous. tonnes) | 57,2 | 44,7 | 46,8 | 49,0 | 45,4 | 52,5 |
| by class of inland waterways | ||||||
| class I to IV | 57,2 | 44,7 | 46,8 | 49,0 | 45,4 | 52,5 |
| by year of construction | ||||||
| up to 1974 | 6,7 | 8,4 | 9,8 | 8,8 | 6,7 | 7,1 |
| 1975 - 1999 | 48,8 | 34,6 | 35,4 | 38,6 | 37,1 | 43,7 |
| 2000 - 2019 | 1,7 | 1,7 | 1,6 | 1,6 | 1,6 | 1,7 |
| 2020 and more | 0,0 | 0,0 | 0,0 | 0,0 | 0,0 | |
Source: SPS