| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | < 1 year complete | 83 |
15.3%
|
| 1 | 96 |
17.6%
|
|
| 2 | 81 |
14.9%
|
|
| 3 | 88 |
16.2%
|
|
| 4 | 73 |
13.4%
|
|
| 5 | 52 |
9.6%
|
|
| 6 | 70 |
12.9%
|
|
| 8 | don't know | 1 |
0.2%
|
| Sysmiss | 4268 |