| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severely decreased | 4 |
8.7%
|
| 2 | Decreased | 17 |
37%
|
| 3 | About the same | 5 |
10.9%
|
| 4 | Improved | 7 |
15.2%
|
| 5 | Considerably improved | 13 |
28.3%
|