| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 1589 |
57.4%
|
| 2 | Once in two weeks | 223 |
8.1%
|
| 3 | Once a month | 128 |
4.6%
|
| 4 | At least twice a year | 25 |
0.9%
|
| 5 | At least once a year | 19 |
0.7%
|
| 6 | Less often | 109 |
3.9%
|
| 7 | Never or practically never | 117 |
4.2%
|
| 8 | Varies too much to say | 135 |
4.9%
|
| 9 | Refused/unwilling to answer | 56 |
2%
|
| 10 | Not applicable | 367 |
13.3%
|
| Sysmiss | 31 |