| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 482 |
36.2%
|
| 2 | 1 | 220 |
16.5%
|
| 3 | 2 | 207 |
15.5%
|
| 4 | 3 | 148 |
11.1%
|
| 5 | 4 | 70 |
5.3%
|
| 6 | 5 | 66 |
5%
|
| 7 | 6 | 28 |
2.1%
|
| 8 | 7 | 108 |
8.1%
|
| Missing value | 3 |
0.2%
|