| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2597 |
82.4%
|
| 1 | Once | 121 |
3.8%
|
| 2 | Twice | 135 |
4.3%
|
| 3 | 3-5 times | 113 |
3.6%
|
| 4 | More than 6 times | 164 |
5.2%
|
| 5 | I do not know | 1 |
0%
|
| 6 | Not applicable | 19 |
0.6%
|