| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 – Increased | 21 |
10.8%
|
| 2 | 2 – Stayed the same | 106 |
54.6%
|
| 3 | 3 – Decreased | 40 |
20.6%
|
| 4 | 4 – Not received | 27 |
13.9%
|
| Sysmiss | 853 |