| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 754 |
34.5%
|
| 2 | Once | 106 |
4.8%
|
| 3 | Twice | 132 |
6%
|
| 4 | 3-5 times | 164 |
7.5%
|
| 5 | 6-10 times | 93 |
4.3%
|
| 6 | 11-20 times | 65 |
3%
|
| 7 | More than 20 times | 127 |
5.8%
|
| 8 | Not applicable | 741 |
33.9%
|
| Sysmiss | 6 |