| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much higher | 40 |
4%
|
| 2 | Higher | 269 |
26.9%
|
| 3 | More or less the same | 341 |
34.1%
|
| 4 | Lower | 244 |
24.4%
|
| 5 | Much lower | 105 |
10.5%
|
| 9 | Unspecified | 1 |
0.1%
|