| Value | Category | Cases | |
|---|---|---|---|
| 0 | 116 |
6.1%
|
|
| 1 | 174 |
9.1%
|
|
| 2 | 477 |
25.1%
|
|
| 3 | 444 |
23.3%
|
|
| 4 | 166 |
8.7%
|
|
| 5 | 199 |
10.5%
|
|
| 6 | 61 |
3.2%
|
|
| 7 | 265 |
13.9%
|
|
| Missing value | 440 |