| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Daily | 1 |
50%
|
| 2 | 2. At least once a week | 0 |
0%
|
| 3 | 3. At least once a month | 1 |
50%
|
| 4 | 4. At least once a year | 0 |
0%
|
| 5 | 5. Less than once a year | 0 |
0%
|
| 6 | 6. Never | 0 |
0%
|
| 7 | 7. Refused | 0 |
0%
|
| 9 | 9. Don't know | 0 |
0%
|
| Sysmiss | 997 |