| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much higher | 127 |
3.9%
|
| 2 | Higher | 635 |
19.4%
|
| 3 | More or less the same | 879 |
26.8%
|
| 4 | Lower | 788 |
24.1%
|
| 5 | Much lower | 537 |
16.4%
|
| 8 | Don't know | 309 |
9.4%
|
| Sysmiss | 46 |