| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 4333 |
80.8%
|
| 2 | once or twice in the past month | 438 |
8.2%
|
| 3 | about once a week | 147 |
2.7%
|
| 4 | 2 or 3 times a week | 107 |
2%
|
| 5 | almost every day | 204 |
3.8%
|
| 6 | every day | 116 |
2.2%
|
| 99 | n/a | 15 |
0.3%
|
| Sysmiss | 95 |