| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 198 |
33.8%
|
| 1 | 1 year | 35 |
6%
|
| 2 | 2 years | 76 |
13%
|
| 3 | 3 years | 88 |
15%
|
| 4 | 4 years | 49 |
8.4%
|
| 5 | 5 years | 50 |
8.5%
|
| 6 | 6+ years | 31 |
5.3%
|
| 7 | Non-numeric | 6 |
1%
|
| 8 | Don't know | 53 |
9%
|
| 9 | 2 | ||
| Sysmiss | 286 |