| Value | Category | Cases | |
|---|---|---|---|
| 0 | 16 |
6.6%
|
|
| 1 | 39 |
16%
|
|
| 2 | 52 |
21.3%
|
|
| 3 | 42 |
17.2%
|
|
| 4 | 36 |
14.8%
|
|
| 5 | 11 |
4.5%
|
|
| 6 | 12 |
4.9%
|
|
| 7 | 34 |
13.9%
|
|
| Missing value | 2 |
0.8%
|