| Value | Category | Cases | |
|---|---|---|---|
| -77 | Other, specify | 0 |
0%
|
| -66 | Refused to answer | 0 |
0%
|
| 1 | Every week | 0 |
0%
|
| 2 | Every 2 weeks | 0 |
0%
|
| 3 | Every month | 4 |
8.2%
|
| 4 | Every year | 45 |
91.8%
|
| Sysmiss | 51 |