| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 14 |
0.3%
|
| 2 | Once or twice a week | 302 |
5.5%
|
| 3 | Once or twice per month | 802 |
14.7%
|
| 4 | Once or twice last 4mths | 806 |
14.7%
|
| 5 | other | 3541 |
64.7%
|
| 95 | 1 |
0%
|
|
| 96 | 2 |
0%
|
|
| 97 | 1 |
0%
|
|
| Sysmiss | 1 |