| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3317 |
13.5%
|
| 1 | Everyday / Daily | 86 |
0.3%
|
| 2 | 4 – 6 times per week | 470 |
1.9%
|
| 3 | 2 – 3 times per week | 1398 |
5.7%
|
| 4 | Once a week | 2734 |
11.1%
|
| 5 | Once in 2 - 3 weeks | 3488 |
14.2%
|
| 6 | Once a month | 8241 |
33.5%
|
| 7 | Once in 2 - 3 months | 2472 |
10.1%
|
| 8 | Once in 4 - 6 months | 1114 |
4.5%
|
| 9 | Less often than once in 6 months | 1272 |
5.2%
|
| Sysmiss | 516 |