| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Much higher | 756 |
3.8%
|
| 2 | 2. Higher | 3570 |
17.8%
|
| 3 | 3. More or less the same | 7099 |
35.3%
|
| 4 | 4. Lower | 6132 |
30.5%
|
| 5 | 5. Much lower | 2534 |
12.6%
|
| 9 | 9. Unspecified | 4 |
0%
|