| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much higher | 151 |
4.6%
|
| 2 | Higher | 591 |
18.2%
|
| 3 | More or less the same | 977 |
30%
|
| 4 | Lower | 776 |
23.8%
|
| 5 | Much lower | 466 |
14.3%
|
| 8 | Don't know | 295 |
9.1%
|
| Sysmiss | 36 |