| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 9 |
24.3%
|
| 2 | weekly | 4 |
10.8%
|
| 3 | every two weeks | 0 |
0%
|
| 4 | monthly | 1 |
2.7%
|
| 5 | once in a while | 19 |
51.4%
|
| 6 | other | 4 |
10.8%
|
| 8 | refused | 0 |
0%
|
| Sysmiss | 38681 |