| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Never | 40 |
16.1%
|
| 2 | 2. >= 1* year | 77 |
31%
|
| 3 | 3. >= 1* mnth | 46 |
18.5%
|
| 4 | 4. >= 1* week | 20 |
8.1%
|
| 5 | 5. Daily | 53 |
21.4%
|
| 9 | 9. Miss | 12 |
4.8%
|
| Sysmiss | 47 |