| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 3304 |
31.7%
|
| 1 | 1 year | 282 |
2.7%
|
| 2 | 2 years | 784 |
7.5%
|
| 3 | 3 years | 775 |
7.4%
|
| 4 | 4 years | 388 |
3.7%
|
| 5 | 5 years | 307 |
2.9%
|
| 6 | 6+ years | 195 |
1.9%
|
| 7 | non-numeric | 3664 |
35.1%
|
| 8 | don't know | 737 |
7.1%
|
| Sysmiss | 5278 |