| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 21 |
11%
|
| -88 | Other (specify) | 2 |
1%
|
| 1 | Once a month | 39 |
20.4%
|
| 2 | Once a week | 2 |
1%
|
| 3 | Once in 2-3 months | 10 |
5.2%
|
| 4 | Once in 6 months | 29 |
15.2%
|
| 5 | Once a year | 88 |
46.1%
|
| Sysmiss | 1944 |