| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 10 | natural | 0 |
0%
|
| 11 | sand | 738 |
2.3%
|
| 12 | dirt | 20646 |
64.3%
|
| 20 | rudimentary | 0 |
0%
|
| 30 | finished | 0 |
0%
|
| 32 | vinyl | 55 |
0.2%
|
| 33 | tile | 453 |
1.4%
|
| 34 | cement | 10083 |
31.4%
|
| 35 | carpet | 59 |
0.2%
|
| 96 | other | 62 |
0.2%
|
| Sysmiss | 85 |