| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 35841 |
96.4%
|
| 1 | Yes, last 12 months | 997 |
2.7%
|
| 2 | Yes, before last 12 months | 330 |
0.9%
|
| 3 | Yes, can't establish when | 0 |
0%
|
| 9 | 1 |