| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 1505 |
42.8%
|
| 1 | 1 year | 219 |
6.2%
|
| 2 | 2 years | 432 |
12.3%
|
| 3 | 3 years | 536 |
15.2%
|
| 4 | 4 years | 328 |
9.3%
|
| 5 | 5 years | 229 |
6.5%
|
| 6 | 6+ years | 38 |
1.1%
|
| 7 | non-numeric | 38 |
1.1%
|
| 8 | don't know | 195 |
5.5%
|
| Sysmiss | 1177 |