| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.4%
|
|
| 1 | more | 196 |
37.3%
|
| 2 | less | 113 |
21.5%
|
| 3 | about the same numbers | 119 |
22.7%
|
| 4 | 1 |
0.2%
|
|
| 9 | not applicable | 94 |
17.9%
|
| Sysmiss | 39 |