| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Daily | 0 |
0%
|
| 2 | 2. At least once a week | 2 |
100%
|
| 3 | 3. At least once a month | 0 |
0%
|
| 4 | 4. At least once a year | 0 |
0%
|
| 5 | 5. Less than once a year | 0 |
0%
|
| 6 | 6. Don't know | 0 |
0%
|
| Sysmiss | 97 |