| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.3%
|
|
| 1 | 18 |
5.6%
|
|
| 2 | 22 |
6.8%
|
|
| 3 | 43 |
13.4%
|
|
| 4 | 65 |
20.2%
|
|
| 5 | 48 |
14.9%
|
|
| 6 | 35 |
10.9%
|
|
| 7 | 84 |
26.1%
|
|
| Missing value | 6 |
1.9%
|