Valeur | Catégorie | le cas | |
---|---|---|---|
1 | By sewers | 137 |
0.2%
|
2 | Protected canal | 447 |
0.5%
|
3 | Opened canal | 426 |
0.5%
|
4 | Swallow-hole | 124 |
0.2%
|
5 | River | 26 |
0%
|
6 | Hole | 6688 |
8.1%
|
7 | Nature | 50372 |
61.4%
|
8 | In the yard | 9714 |
11.8%
|
9 | In the street | 14141 |
17.2%
|
96 | Other | 17 |
0%
|
99 | 3 |
0%
|