| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or, once or more per week | 527 |
5.5%
|
| 2 | Once or twice per month | 386 |
4%
|
| 3 | Rarely | 1247 |
12.9%
|
| 4 | Never | 7357 |
76.3%
|
| 9 | 130 |
1.3%
|
|
| Sysmiss | 2362 |