| Value | Category | Cases | |
|---|---|---|---|
| 1 | -99 | 2 |
0%
|
| 2 | -97 | 1 |
0%
|
| 3 | 0 | 2780 |
62.6%
|
| 4 | 1 | 695 |
15.6%
|
| Missing value | 966 |
21.7%
|