| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 15 |
0.7%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Daily | 130 |
6.5%
|
| 2 | Weekly | 211 |
10.5%
|
| 3 | Every two weeks | 127 |
6.3%
|
| 4 | Monthly | 1519 |
75.9%
|
| Sysmiss | 6063 |