| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 8 |
0.8%
|
| 1 | More | 826 |
82.4%
|
| 2 | Less | 84 |
8.4%
|
| 3 | The same | 85 |
8.5%
|
| 99 | Don't know | 0 |
0%
|