| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1775 |
29.6%
|
| 2 | Once or twice in the past month | 1019 |
17%
|
| 3 | About once a week | 754 |
12.6%
|
| 4 | 2 or 3 times a week | 851 |
14.2%
|
| 5 | Almost everyday | 955 |
15.9%
|
| 6 | Everyday | 636 |
10.6%
|
| Sysmiss | 1171 |