| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 11107 |
90%
|
| 1 | yes, last 12 months | 1156 |
9.4%
|
| 2 | yes, before last 12 months | 80 |
0.6%
|
| 3 | yes, can't establish when | 0 |
0%
|