| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much higher | 959 |
4.6%
|
| 2 | Higher | 3251 |
15.5%
|
| 3 | More or less the same | 6061 |
29%
|
| 4 | Lower | 6749 |
32.3%
|
| 5 | Much Lower | 3675 |
17.6%
|
| 9 | Unspecified | 213 |
1%
|