| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 7248 |
89.6%
|
| 1 | yes, last 12 months | 712 |
8.8%
|
| 2 | yes, before last 12 months | 132 |
1.6%
|
| 3 | yes, can't establish when | 0 |
0%
|