| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3557 |
14.4%
|
| 1 | Everyday / Daily | 86 |
0.3%
|
| 2 | 4 – 6 times per week | 450 |
1.8%
|
| 3 | 2 – 3 times per week | 1534 |
6.2%
|
| 4 | Once a week | 2633 |
10.7%
|
| 5 | Once in 2 - 3 weeks | 3356 |
13.6%
|
| 6 | Once a month | 7847 |
31.8%
|
| 7 | Once in 2 - 3 months | 2542 |
10.3%
|
| 8 | Once in 4 - 6 months | 1177 |
4.8%
|
| 9 | Less often than once in 6 months | 1468 |
6%
|
| Sysmiss | 510 |