| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annual | 33 |
9.1%
|
| 2 | Per Term | 278 |
76.4%
|
| 3 | Monthly | 5 |
1.4%
|
| 4 | When required | 44 |
12.1%
|
| 8 | Other | 4 |
1.1%
|
| Sysmiss | 2091 |