| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 526 |
14.2%
|
| 1 | 1 year | 540 |
14.6%
|
| 2 | 2 years | 885 |
23.9%
|
| 3 | 3 years | 984 |
26.6%
|
| 4 | 4 years | 389 |
10.5%
|
| 5 | 5 years | 229 |
6.2%
|
| 6 | 6+ years | 71 |
1.9%
|
| 7 | Non-numeric | 39 |
1.1%
|
| 8 | Don't know | 36 |
1%
|
| 9 | 3 |
0.1%
|
|
| Sysmiss | 3605 |