| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 60 |
30.9%
|
| 1 | 1 year | 15 |
7.7%
|
| 2 | 2 years | 29 |
14.9%
|
| 3 | 3 years | 46 |
23.7%
|
| 4 | 4 years | 21 |
10.8%
|
| 5 | 5 years | 14 |
7.2%
|
| 6 | 6+ years | 2 |
1%
|
| 7 | Non-numeric | 3 |
1.5%
|
| 8 | Don't know | 4 |
2.1%
|
| 9 | 5 | ||
| Sysmiss | 132 |