| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased | 4 |
10.8%
|
| 2 | Stayed the same | 25 |
67.6%
|
| 3 | Decreased | 6 |
16.2%
|
| 4 | Not received | 2 |
5.4%
|
| Sysmiss | 630 |