| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | <12 months | 326 |
15.7%
|
| 1 | 1 year | 115 |
5.5%
|
| 2 | 2 years | 384 |
18.5%
|
| 3 | 3 years | 380 |
18.3%
|
| 4 | 4 years | 229 |
11%
|
| 5 | 5 years | 208 |
10%
|
| 6 | 6+ years | 174 |
8.4%
|
| 7 | Non-numeric | 65 |
3.1%
|
| 8 | Don't know | 197 |
9.5%
|
| 9 | 6 | ||
| Sysmiss | 1065 |