| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4537 |
88.9%
|
| 1 | Once | 104 |
2%
|
| 2 | Twice | 47 |
0.9%
|
| 3 | 3-5 times | 25 |
0.5%
|
| 4 | More than 6 times | 24 |
0.5%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 7 |
0.1%
|
| Sysmiss | 361 |