| Value | Category | Cases | |
|---|---|---|---|
| 1 | almost never | 547 |
15.8%
|
| 2 | often | 1932 |
56%
|
| 3 | daily | 963 |
27.9%
|
| 7 | na | 11 |
0.3%
|
| Sysmiss | 47855 |