| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher | 243 |
16.1%
|
| 2 | lower | 226 |
14.9%
|
| 3 | about the same | 142 |
9.4%
|
| 55 | not applicable | 126 |
8.3%
|
| 88 | don't know | 776 |
51.3%
|
| Sysmiss | 8062 |