| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much higher | 52 |
5.2%
|
| 2 | Higher | 240 |
24%
|
| 3 | More or less the same | 392 |
39.2%
|
| 4 | Lower | 236 |
23.6%
|
| 5 | Much lower | 77 |
7.7%
|
| 9 | Unspecified | 2 |
0.2%
|