| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 642 |
15%
|
| 1 | 1 year | 638 |
14.9%
|
| 2 | 2 years | 1068 |
25%
|
| 3 | 3 years | 1133 |
26.5%
|
| 4 | 4 years | 419 |
9.8%
|
| 5 | 5 years | 247 |
5.8%
|
| 6 | 6+ years | 56 |
1.3%
|
| 7 | Non-numeric | 37 |
0.9%
|
| 8 | Don't know | 29 |
0.7%
|
| 9 | 2 |
0%
|
|
| Sysmiss | 817 |