| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 4881 |
63.2%
|
| 1 | yes, last 12 months | 2744 |
35.5%
|
| 2 | yes, before last 12 months | 95 |
1.2%
|
| 3 | yes, can't establish when | 0 |
0%
|