| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1086 |
49.6%
|
| 2 | Once | 174 |
8%
|
| 3 | Twice | 226 |
10.3%
|
| 4 | 3-5 times | 243 |
11.1%
|
| 5 | 6-10 times | 115 |
5.3%
|
| 6 | 11-20 times | 78 |
3.6%
|
| 7 | More than 20 times | 166 |
7.6%
|
| 8 | Not applicable | 99 |
4.5%
|
| Sysmiss | 1 |