| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Every day | 0 |
0%
|
| 2 | 2. Several times a week | 0 |
0%
|
| 3 | 3. Several times a month | 1 |
50%
|
| 4 | 4. Several times a year | 1 |
50%
|
| 5 | 5. Never | 0 |
0%
|
| Sysmiss | 97 |