| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 76 |
18.7%
|
| 1 | 1 year | 18 |
4.4%
|
| 2 | 2 years | 34 |
8.4%
|
| 3 | 3 years | 46 |
11.3%
|
| 4 | 4 years | 23 |
5.7%
|
| 5 | 5 years | 17 |
4.2%
|
| 6 | 6+ years | 10 |
2.5%
|
| 7 | Non-numeric | 176 |
43.2%
|
| 8 | Don't know | 7 |
1.7%
|
| 9 | 6 | ||
| Sysmiss | 382 |