| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 2476 | 7139078 |
22.5%
|
| 2 | 1-3 times | 7544 | 22058952 |
69.4%
|
| 3 | 3+ times | 895 | 2563911 |
8.1%
|
| 99 | Not stated | 1 | 5976 |
0%
|