| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1590 |
8.4%
|
|
| 1 | 3494 |
18.6%
|
|
| 2 | 11526 |
61.2%
|
|
| 3 | 1037 |
5.5%
|
|
| 4 | 1149 |
6.1%
|
|
| Missing value | 33 |
0.2%
|