| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 17 |
19.1%
|
| -8 | Refused | 7 |
7.9%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 2 |
2.2%
|
| 1 | More than | 23 |
25.8%
|
| 2 | About equal to | 19 |
21.3%
|
| 3 | Less than | 21 |
23.6%
|
| Sysmiss | 30021 |