| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 – Increased | 17 |
14.3%
|
| 2 | 2 – Stayed the same | 58 |
48.7%
|
| 3 | 3 – Decreased | 20 |
16.8%
|
| 4 | 4 – Not received | 24 |
20.2%
|
| Sysmiss | 928 |