| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 877 |
21.8%
|
| 1 | 1 year | 155 |
3.9%
|
| 2 | 2 years | 313 |
7.8%
|
| 3 | 3 years | 326 |
8.1%
|
| 4 | 4 years | 202 |
5%
|
| 5 | 5 years | 175 |
4.4%
|
| 6 | 6+ years | 214 |
5.3%
|
| 7 | Non-numeric | 1470 |
36.6%
|
| 8 | Don't know | 285 |
7.1%
|
| 9 | 10 | ||
| Sysmiss | 1302 |