| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
1.3%
|
|
| 1 | 44 |
9.6%
|
|
| 2 | 277 |
60.3%
|
|
| 3 | 11 |
2.4%
|
|
| 4 | 10 |
2.2%
|
|
| Missing value | 111 |
24.2%
|