| Value | Category | Cases | |
|---|---|---|---|
| -888 | Others? (specify) | 3 |
2.7%
|
| 1 | Weekly | 1 |
0.9%
|
| 2 | Fortnightly | 0 |
0%
|
| 3 | Monthly | 108 |
95.6%
|
| 4 | Yearly | 1 |
0.9%
|
| Sysmiss | 6 |