| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 907 |
29.2%
|
| 1 | 1 year | 123 |
4%
|
| 2 | 2 years | 340 |
11%
|
| 3 | 3 years | 506 |
16.3%
|
| 4 | 4 years | 347 |
11.2%
|
| 5 | 5 years | 346 |
11.2%
|
| 6 | 6+ years | 180 |
5.8%
|
| 7 | Non-numeric | 267 |
8.6%
|
| 8 | Don't know | 86 |
2.8%
|
| 9 | 19 | ||
| Sysmiss | 4792 |