| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2955 |
93.8%
|
| 1 | Once | 94 |
3%
|
| 2 | Twice | 47 |
1.5%
|
| 3 | 3-5 times | 15 |
0.5%
|
| 4 | More than 6 times | 18 |
0.6%
|
| 5 | I do not know | 3 |
0.1%
|
| 6 | Not applicable | 18 |
0.6%
|