| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 2977 | 8614795 |
27.1%
|
| 2 | 1-3 times | 7257 | 21141988 |
66.6%
|
| 3 | 3+ times | 681 | 2005158 |
6.3%
|
| 99 | Not stated | 1 | 5976 |
0%
|