| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 1760 | 3674622 |
12.3%
|
| 2 | 1-3 times | 8400 | 16400499 |
54.8%
|
| 3 | 3+ times | 4868 | 9839254 |
32.9%
|
| 99 | Not stated | 1 | 3695 |
0%
|