| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 42 |
1.7%
|
| 2 | Fortnightly | 71 |
2.8%
|
| 3 | Monthly | 256 |
10.2%
|
| 4 | Quarterly | 333 |
13.2%
|
| 5 | Once a year | 251 |
10%
|
| 6 | Irregularly/occasionally | 1562 |
62.1%
|
| Sysmiss | 9965 |