| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 12 |
2%
|
| 2 | O1 | 227 |
38.2%
|
| 3 | O2 | 32 |
5.4%
|
| 4 | O3 | 10 |
1.7%
|
| Missing value | 314 |
52.8%
|