| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 917 |
45.7%
|
| 2 | 1 time in 3 months | 208 |
10.4%
|
| 3 | Once per month | 241 |
12%
|
| 4 | Once per week | 294 |
14.6%
|
| 5 | More than once per week | 348 |
17.3%
|
| Sysmiss | 997 |