| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1 |
1.4%
|
| 2 | Fortnightly | 3 |
4.2%
|
| 3 | Monthly | 10 |
13.9%
|
| 4 | Seasonally | 9 |
12.5%
|
| 5 | Once a year | 13 |
18.1%
|
| 6 | Irregularly/occasionally | 36 |
50%
|
| Sysmiss | 6078 |