| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 201 |
14.6%
|
| 1 | 1 year | 263 |
19.1%
|
| 2 | 2 years | 375 |
27.2%
|
| 3 | 3 years | 321 |
23.3%
|
| 4 | 4 years | 106 |
7.7%
|
| 5 | 5 years | 42 |
3.1%
|
| 6 | 6+ years | 24 |
1.7%
|
| 7 | non-numeric | 24 |
1.7%
|
| 8 | don't know | 21 |
1.5%
|
| Sysmiss | 262 |