| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 8338 |
71.7%
|
| 1 | yes, last 12 months | 2949 |
25.4%
|
| 2 | yes, before last 12 months | 341 |
2.9%
|
| 3 | yes, can't establish when | 0 |
0%
|