| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 1353 |
68.8%
|
| 1 | yes, last 12 months | 558 |
28.4%
|
| 2 | yes, before last 12 months | 57 |
2.9%
|
| 3 | yes, can't establish when | 0 |
0%
|