| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | < 1 year complete | 107 |
11.3%
|
| 1 | 144 |
15.1%
|
|
| 2 | 154 |
16.2%
|
|
| 3 | 173 |
18.2%
|
|
| 4 | 150 |
15.8%
|
|
| 5 | 98 |
10.3%
|
|
| 6 | 124 |
13%
|
|
| 8 | don't know | 1 |
0.1%
|
| Sysmiss | 3861 |