| Value | Category | Cases | |
|---|---|---|---|
| 1 | -78 | 135 |
42.5%
|
| 2 | -77 | 5 |
1.6%
|
| 3 | 0 | 6 |
1.9%
|
| 4 | 1 | 2 |
0.6%
|
| Missing value | 170 |
53.5%
|