| Value | Category | Cases | |
|---|---|---|---|
| 1 | weekly | 17 |
34.7%
|
| 2 | bi-weekly | 7 |
14.3%
|
| 3 | monthly | 11 |
22.4%
|
| 4 | annually | 13 |
26.5%
|
| 8 | don't know | 1 |
2%
|
| 9 | refused | 0 |
0%
|
| Sysmiss | 4856 |