| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annual | 39 |
8%
|
| 2 | Per term | 395 |
80.8%
|
| 3 | Monthly | 2 |
0.4%
|
| 4 | When required | 51 |
10.4%
|
| 8 | Other (Specify) | 2 |
0.4%
|
| Sysmiss | 2581 |