| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. never | 753 |
33.9%
|
| 2 | 2. once | 800 |
36%
|
| 3 | 3. 2 to 3 times | 400 |
18%
|
| 4 | 4. 4 to 5 times | 95 |
4.3%
|
| 5 | 5. more than 5 times | 175 |
7.9%
|
| Sysmiss | 2315 |