| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or, once or more per week | 1541 |
16%
|
| 2 | Once or twice per month | 774 |
8%
|
| 3 | Rarely | 1560 |
16.2%
|
| 4 | Never | 5637 |
58.4%
|
| 9 | 135 |
1.4%
|
|
| Sysmiss | 2362 |