| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than once a week | 7844 |
6.6%
|
| 2 | Never | 85335 |
71.5%
|
| 3 | Once a week | 5178 |
4.3%
|
| 4 | Three or more times a week | 14857 |
12.4%
|
| 5 | Twice a week | 6205 |
5.2%
|
| Sysmiss | 5053 |