| Value | Category | Cases | |
|---|---|---|---|
| 0 | 409 |
14.8%
|
|
| 1 | 509 |
18.4%
|
|
| 2 | 545 |
19.7%
|
|
| 3 | 433 |
15.6%
|
|
| 4 | 231 |
8.3%
|
|
| 5 | 148 |
5.3%
|
|
| 6 | 123 |
4.4%
|
|
| 7 | 369 |
13.3%
|
|
| Missing value | 576 |