| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 4159 |
31.2%
|
| 1 | 1 year | 622 |
4.7%
|
| 2 | 2 years | 1165 |
8.7%
|
| 3 | 3 years | 1595 |
12%
|
| 4 | 4 years | 983 |
7.4%
|
| 5 | 5 years | 809 |
6.1%
|
| 6 | 6+ years | 276 |
2.1%
|
| 7 | non-numeric | 3065 |
23%
|
| 8 | don't know | 673 |
5%
|
| Sysmiss | 4312 |