| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 5013 | 14468924 |
45.5%
|
| 2 | 1-3 times | 4885 | 14433456 |
45.4%
|
| 3 | 3+ times | 1005 | 2810485 |
8.8%
|
| 99 | Not stated | 13 | 55053 |
0.2%
|