| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 5136 |
92.4%
|
| 1 | yes, last 12 months | 388 |
7%
|
| 2 | yes, before last 12 months | 36 |
0.6%
|
| 3 | yes, can't establish when | 0 |
0%
|