| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1160 |
92.9%
|
| 2 | Once or twice in the past month | 41 |
3.3%
|
| 3 | About once a week | 19 |
1.5%
|
| 4 | 2 or 3 times a week | 9 |
0.7%
|
| 5 | Almost every day | 13 |
1%
|
| 6 | Every day | 6 |
0.5%
|
| Sysmiss | 1944 |