| Value | Category | Cases | |
|---|---|---|---|
| 1 | much worse | 453 |
3.2%
|
| 2 | worse | 1635 |
11.6%
|
| 3 | about the same | 3300 |
23.4%
|
| 4 | better | 5948 |
42.1%
|
| 5 | much better | 1592 |
11.3%
|
| 6 | not applicable | 1191 |
8.4%
|
| Sysmiss | 12 |