| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3106 |
98.6%
|
| 1 | Once | 14 |
0.4%
|
| 2 | Twice | 6 |
0.2%
|
| 3 | 3-5 times | 2 |
0.1%
|
| 4 | More than 6 times | 2 |
0.1%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 20 |
0.6%
|