| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
1.5%
|
|
| 1 | 42 |
9.2%
|
|
| 2 | 284 |
61.9%
|
|
| 3 | 11 |
2.4%
|
|
| 4 | 11 |
2.4%
|
|
| Missing value | 104 |
22.7%
|