| Value | Category | Cases | |
|---|---|---|---|
| 1 | better | 37 |
82.2%
|
| 2 | worse | 8 |
17.8%
|
| 7 | refused | 0 |
0%
|
| 8 | don’t know | 0 |
0%
|
| 9 | missing | 0 |
0%
|
| Sysmiss | 5846 |