| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 10909 |
40.8%
|
| 1 | 1 year | 1647 |
6.2%
|
| 2 | 2 years | 3114 |
11.6%
|
| 3 | 3 years | 4050 |
15.1%
|
| 4 | 4 years | 2460 |
9.2%
|
| 5 | 5 years | 1804 |
6.7%
|
| 6 | 6+ years | 357 |
1.3%
|
| 7 | non-numeric | 793 |
3%
|
| 8 | don't know | 1628 |
6.1%
|
| Sysmiss | 21983 |