| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 7810 |
42%
|
| 1 | 1 year | 639 |
3.4%
|
| 2 | 2 years | 2233 |
12%
|
| 3 | 3 years | 2118 |
11.4%
|
| 4 | 4 years | 1111 |
6%
|
| 5 | 5 years | 874 |
4.7%
|
| 6 | 6+ years | 438 |
2.4%
|
| 7 | non-numeric | 1284 |
6.9%
|
| 8 | don't know | 2109 |
11.3%
|
| Sysmiss | 21177 |