| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 2 |
0.2%
|
| 1 | More | 804 |
85.4%
|
| 2 | Less | 81 |
8.6%
|
| 3 | The same | 54 |
5.7%
|
| 99 | Don't know | 0 |
0%
|