| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 20 |
0.9%
|
| 1 | Once a week | 97 |
4.1%
|
| 2 | Twice a week | 170 |
7.2%
|
| 3 | Three times a week | 273 |
11.6%
|
| 4 | Four times a week | 301 |
12.8%
|
| 5 | Five times a week | 1491 |
63.4%
|
| 9 | Not applicable | 0 |
0%
|
| Sysmiss | 2303 |