| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 1 |
0.3%
|
| 2 | 5 | 1 |
0.3%
|
| 3 | 8 | 1 |
0.3%
|
| 4 | 10 | 35 |
10.1%
|
| Missing value | 307 |
89%
|