| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1590 |
8.4%
|
|
| 1 | 3151 |
16.7%
|
|
| 2 | 6297 |
33.4%
|
|
| 3 | 1933 |
10.3%
|
|
| 4 | 5825 |
30.9%
|
|
| Missing value | 33 |
0.2%
|