| Value | Category | Cases | |
|---|---|---|---|
| -77 | Other, specify | 0 |
0%
|
| -66 | Refused to answer | 0 |
0%
|
| 1 | Every week | 2 |
0.2%
|
| 2 | Every 2 weeks | 4 |
0.4%
|
| 3 | Every month | 411 |
40.4%
|
| 4 | Every 2 months | 309 |
30.4%
|
| 5 | Every 6 months | 141 |
13.9%
|
| 6 | Every year | 151 |
14.8%
|
| Sysmiss | 2237 |