| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 9376 | 18321158 |
61.2%
|
| 2 | 1-3 times | 4509 | 9293814 |
31.1%
|
| 3 | 3+ times | 1143 | 2299402 |
7.7%
|
| 99 | Not stated | 1 | 3695 |
0%
|