| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2942 |
93.4%
|
| 1 | Once | 64 |
2%
|
| 2 | Twice | 44 |
1.4%
|
| 3 | 3-5 times | 36 |
1.1%
|
| 4 | More than 6 times | 43 |
1.4%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 21 |
0.7%
|