| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 2334 |
75.2%
|
| 2 | 2. once | 247 |
8%
|
| 3 | 3. two or three times | 321 |
10.3%
|
| 4 | 4. more often | 201 |
6.5%
|
| Sysmiss | 1435 |