| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 9 |
22.5%
|
| -8 | Refused | 2 |
5%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | More than | 13 |
32.5%
|
| 2 | About equal to | 7 |
17.5%
|
| 3 | Less than | 9 |
22.5%
|
| Sysmiss | 959 |