| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1 |
0.1%
|
| 2 | O1 | 302 |
21.7%
|
| 3 | O2 | 272 |
19.5%
|
| 4 | O3 | 5 |
0.4%
|
| 5 | O4 | 2 |
0.1%
|
| Missing value | 811 |
58.2%
|