| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 1659 |
27%
|
| 1 | 1 year | 272 |
4.4%
|
| 2 | 2 years | 825 |
13.4%
|
| 3 | 3 years | 1303 |
21.2%
|
| 4 | 4 years | 778 |
12.7%
|
| 5 | 5 years | 586 |
9.5%
|
| 6 | 6+ years | 128 |
2.1%
|
| 7 | non-numeric | 207 |
3.4%
|
| 8 | don't know | 381 |
6.2%
|
| Sysmiss | 1430 |