| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2894 |
91.9%
|
| 1 | Once | 118 |
3.7%
|
| 2 | Twice | 49 |
1.6%
|
| 3 | 3-5 times | 32 |
1%
|
| 4 | More than 6 times | 37 |
1.2%
|
| 5 | I do not know | 1 |
0%
|
| 6 | Not applicable | 19 |
0.6%
|