| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
4.3%
|
|
| 1 | 190 |
35.1%
|
|
| 2 | 286 |
52.9%
|
|
| 3 | 36 |
6.7%
|
|
| 4 | 4 |
0.7%
|
|
| 5 | 1 |
0.2%
|
|
| Missing value | 1 |
0.2%
|