| Value | Category | Cases | |
|---|---|---|---|
| -77 | Other, specify | 0 |
0%
|
| -66 | Refused to answer | 0 |
0%
|
| 1 | Every week | 0 |
0%
|
| 2 | Every 2 weeks | 1 |
0.3%
|
| 3 | Every month | 50 |
14.2%
|
| 4 | Every 2 months | 78 |
22.2%
|
| 5 | Every 3 months | 101 |
28.7%
|
| 6 | Every 6 months | 54 |
15.3%
|
| 7 | Every year | 68 |
19.3%
|
| Sysmiss | 288 |