| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1138 |
93.2%
|
| 2 | Once or twice in the past month | 28 |
2.3%
|
| 3 | About once a week | 22 |
1.8%
|
| 4 | 2 or 3 times a week | 20 |
1.6%
|
| 5 | Almost every day | 9 |
0.7%
|
| 6 | Every day | 4 |
0.3%
|
| Sysmiss | 1971 |