| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 61 |
2.1%
|
| 2 | Fortnightly | 100 |
3.5%
|
| 3 | Monthly | 297 |
10.4%
|
| 4 | Quarterly | 228 |
8%
|
| 5 | Once a year | 297 |
10.4%
|
| 6 | Iregularly/occasionally | 1884 |
65.7%
|
| Sysmiss | 9613 |