| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
9.8%
|
|
| 1 | 38 |
30.9%
|
|
| 2 | 46 |
37.4%
|
|
| 3 | 14 |
11.4%
|
|
| 4 | 9 |
7.3%
|
|
| 5 | 2 |
1.6%
|
|
| 6 | 1 |
0.8%
|
|
| 7 | 1 |
0.8%
|
|
| Missing value | 24 |