| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Rarely (1 out of 5 years) | 867 |
34.3%
|
| 2 | 2. Sometimes (2 out of 5 years) | 886 |
35.1%
|
| 3 | 3. Often (3 or 4 out of 5 years) | 396 |
15.7%
|
| 4 | 4. Every year | 377 |
14.9%
|
| Sysmiss | 2570 |