| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 66 |
2.9%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Daily | 169 |
7.4%
|
| 2 | Weekly | 232 |
10.1%
|
| 3 | Every two weeks | 147 |
6.4%
|
| 4 | Monthly | 1677 |
73.2%
|
| Sysmiss | 5807 |