| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 8 |
4.1%
|
| 1 | 1-2 times | 49 |
25.3%
|
| 2 | 2-5 times | 40 |
20.6%
|
| 3 | More than 5 times | 97 |
50%
|
| Sysmiss | 8895 |