| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 4534 |
81.5%
|
| 1 | yes, last 12 months | 944 |
17%
|
| 2 | yes, before last 12 months | 82 |
1.5%
|
| 3 | yes, can't establish when | 0 |
0%
|