| Value | Category | Cases | |
|---|---|---|---|
| 0 | 37 |
11.1%
|
|
| 1 | 220 |
66.3%
|
|
| 2 | 68 |
20.5%
|
|
| 3 | 7 |
2.1%
|
|
| Missing value | 56 |