| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased | 3 |
7.5%
|
| 2 | Stayed the same | 14 |
35%
|
| 3 | Decreased | 12 |
30%
|
| 4 | Not received | 11 |
27.5%
|
| Sysmiss | 406 |