| Value | Category | Cases | |
|---|---|---|---|
| 0 | 330 |
95.7%
|
|
| 2 | 5 |
1.4%
|
|
| 3 | 3 |
0.9%
|
|
| 4 | 2 |
0.6%
|
|
| 7 | 5 |
1.4%
|
|
| Missing value | 4 |