| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Never | 1214 |
54.7%
|
| 2 | 2. Once or twice | 492 |
22.2%
|
| 3 | 3. Several times | 397 |
17.9%
|
| 4 | 4. Often | 116 |
5.2%
|
| Sysmiss | 45132 |