| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 1269 | 3908326 |
12.3%
|
| 2 | 1-3 times | 6136 | 17497411 |
55.1%
|
| 3 | 3+ times | 3510 | 10356204 |
32.6%
|
| 99 | Not stated | 1 | 5976 |
0%
|