| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2780 |
88.1%
|
| 2 | Once or twice in the past month | 162 |
5.1%
|
| 3 | About once a week | 71 |
2.3%
|
| 4 | 2 or 3 times a week | 37 |
1.2%
|
| 5 | Almost every day | 58 |
1.8%
|
| 6 | Every day | 42 |
1.3%
|
| 99 | N/A | 5 |
0.2%
|
| Sysmiss | 37 |