| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 734 |
19.2%
|
| 1 | 1 year | 365 |
9.5%
|
| 2 | 2 years | 683 |
17.8%
|
| 3 | 3 years | 951 |
24.8%
|
| 4 | 4 years | 516 |
13.5%
|
| 5 | 5 years | 438 |
11.4%
|
| 6 | 6+ years | 82 |
2.1%
|
| 7 | Non-numeric | 35 |
0.9%
|
| 8 | Don't know | 23 |
0.6%
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 1259 |