| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 850 |
23.8%
|
| 1 | 1 year | 395 |
11.1%
|
| 2 | 2 years | 673 |
18.9%
|
| 3 | 3 years | 886 |
24.9%
|
| 4 | 4 years | 372 |
10.4%
|
| 5 | 5 years | 202 |
5.7%
|
| 6 | 6+ years | 85 |
2.4%
|
| 7 | non-numeric | 14 |
0.4%
|
| 8 | don't know | 87 |
2.4%
|
| Sysmiss | 2790 |