| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 4136 | 11666605 |
36.7%
|
| 2 | 1-3 times | 5534 | 16372823 |
51.5%
|
| 3 | 3+ times | 1233 | 3673436 |
11.6%
|
| 99 | Not stated | 13 | 55053 |
0.2%
|