| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 192 |
24.9%
|
| 1 | 1 year | 100 |
13%
|
| 2 | 2 years | 152 |
19.7%
|
| 3 | 3 years | 112 |
14.5%
|
| 4 | 4 years | 43 |
5.6%
|
| 5 | 5 years | 48 |
6.2%
|
| 6 | 6+ years | 29 |
3.8%
|
| 7 | Non-numeric | 13 |
1.7%
|
| 8 | Don't know | 81 |
10.5%
|
| 9 | 6 | ||
| Sysmiss | 1391 |