| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 1852 |
16.3%
|
| 1 | 1 year | 1072 |
9.4%
|
| 2 | 2 years | 2029 |
17.9%
|
| 3 | 3 years | 2869 |
25.2%
|
| 4 | 4 years | 1632 |
14.4%
|
| 5 | 5 years | 792 |
7%
|
| 6 | 6+ years | 190 |
1.7%
|
| 7 | non-numeric | 275 |
2.4%
|
| 8 | don't know | 655 |
5.8%
|
| Sysmiss | 10779 |