| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 4245 |
90.4%
|
| 1 | yes, last 12 months | 428 |
9.1%
|
| 2 | yes, before last 12 months | 24 |
0.5%
|
| 3 | yes, can't establish when | 0 |
0%
|