| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 2275 | 4685159 |
15.7%
|
| 2 | 1-3 times | 9647 | 19123865 |
63.9%
|
| 3 | 3+ times | 3106 | 6105351 |
20.4%
|
| 99 | Not stated | 1 | 3695 |
0%
|