| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 224 |
17.9%
|
| 2 | Once or twice in the past month | 335 |
26.7%
|
| 3 | About once a week | 209 |
16.7%
|
| 4 | 2 or 3 times a week | 160 |
12.8%
|
| 5 | Almost every day | 136 |
10.9%
|
| 6 | Every day | 189 |
15.1%
|
| Sysmiss | 1939 |