| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased | 18 |
14.1%
|
| 2 | Stayed the same | 68 |
53.1%
|
| 3 | Decreased | 36 |
28.1%
|
| 4 | Not received | 6 |
4.7%
|
| Sysmiss | 539 |