| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 357 |
37.1%
|
| 2 | 1 | 120 |
12.5%
|
| 3 | 2 | 164 |
17%
|
| 4 | 3 | 82 |
8.5%
|
| 5 | 4 | 67 |
7%
|
| 6 | 5 | 32 |
3.3%
|
| 7 | 6 | 5 |
0.5%
|
| 8 | 7 | 30 |
3.1%
|
| Missing value | 105 |
10.9%
|