| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 18 |
5.1%
|
| 2 | 4 | 2 |
0.6%
|
| 3 | 5 | 25 |
7.1%
|
| 4 | 6 | 55 |
15.7%
|
| 5 | 7 | 42 |
12%
|
| 6 | 8 | 1 |
0.3%
|
| 7 | 9 | 6 |
1.7%
|
| Missing value | 201 |
57.4%
|