| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 25 |
0.5%
|
| 2 | Once or twice a week | 421 |
7.7%
|
| 3 | Once or twice per month | 496 |
9.1%
|
| 4 | Once or twice last 4mths | 472 |
8.6%
|
| 5 | other | 4053 |
74.1%
|
| 95 | missing | 0 |
0%
|
| 96 | 1 |
0%
|
|
| 97 | 1 |
0%
|
|
| Sysmiss | 1 |