| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 0 |
0%
|
| 2 | weekly | 0 |
0%
|
| 3 | fortnightly | 0 |
0%
|
| 4 | monthly | 13 |
27.7%
|
| 5 | quarterly | 6 |
12.8%
|
| 6 | half yearly | 3 |
6.4%
|
| 7 | yearly | 4 |
8.5%
|
| 8 | occasionally | 21 |
44.7%
|
| 9 | when requested | 0 |
0%
|
| Sysmiss | 15272 |