| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 0 |
0%
|
| 1 | Once per month | 8 |
18.6%
|
| 2 | Once per week | 13 |
30.2%
|
| 3 | Twice per week | 10 |
23.3%
|
| 4 | More than twice per week | 12 |
27.9%
|
| Sysmiss | 335 |