| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 715 | 2056713 |
6.5%
|
| 2 | 1-3 times | 5569 | 16396677 |
51.6%
|
| 3 | 3+ times | 4631 | 13308551 |
41.9%
|
| 99 | Not stated | 1 | 5976 |
0%
|