| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 48 |
2.5%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Daily | 109 |
5.7%
|
| 2 | Weekly | 174 |
9.1%
|
| 3 | Every two weeks | 101 |
5.3%
|
| 4 | Monthly | 1480 |
77.4%
|
| Sysmiss | 5139 |