| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annual | 36 |
8.2%
|
| 2 | Per term | 349 |
79.7%
|
| 3 | Monthly | 5 |
1.1%
|
| 4 | When required | 43 |
9.8%
|
| 8 | Other (Specify) | 5 |
1.1%
|
| Sysmiss | 2242 |