| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 12 |
2.9%
|
| 2 | 3 | 55 |
13.5%
|
| 3 | 4 | 60 |
14.7%
|
| 4 | 5 | 68 |
16.7%
|
| 5 | 6 | 28 |
6.9%
|
| 6 | 7 | 16 |
3.9%
|
| 7 | 8 | 24 |
5.9%
|
| Missing value | 145 |
35.5%
|