| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 10 | natural | 0 |
0%
|
| 11 | sand | 134 |
2.8%
|
| 12 | dirt | 2924 |
60.9%
|
| 20 | rudimentary | 0 |
0%
|
| 30 | finished | 0 |
0%
|
| 32 | vinyl | 12 |
0.2%
|
| 33 | tile | 67 |
1.4%
|
| 34 | cement | 1641 |
34.2%
|
| 35 | carpet | 13 |
0.3%
|
| 96 | other | 11 |
0.2%
|
| Sysmiss | 10 |