| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 37 |
1.3%
|
| 2 | Continuously | 640 |
22.8%
|
| 3 | Once a week | 722 |
25.8%
|
| 4 | Rarely | 177 |
6.3%
|
| 5 | No | 985 |
35.2%
|
| 6 | Not applicable | 149 |
5.3%
|
| 98 | Don't know | 91 |
3.2%
|
| Sysmiss | 13629 |