| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or, once or more per week | 589 |
6.1%
|
| 2 | Once or twice per month | 1266 |
13.1%
|
| 3 | Rarely | 3831 |
39.7%
|
| 4 | Never | 3839 |
39.8%
|
| 9 | 123 |
1.3%
|
|
| Sysmiss | 2361 |