| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
4.7%
|
|
| 1 | 75 |
29.2%
|
|
| 2 | 117 |
45.5%
|
|
| 3 | 22 |
8.6%
|
|
| 4 | 4 |
1.6%
|
|
| Missing value | 27 |
10.5%
|