| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 10 | natural | 0 |
0%
|
| 11 | sand | 132 |
2.1%
|
| 12 | dirt | 3833 |
61.5%
|
| 20 | rudimentary | 0 |
0%
|
| 30 | finished | 0 |
0%
|
| 32 | vinyl | 12 |
0.2%
|
| 33 | tile | 123 |
2%
|
| 34 | cement | 2110 |
33.8%
|
| 35 | carpet | 10 |
0.2%
|
| 96 | other | 14 |
0.2%
|
| Sysmiss | 211 |