| Value | Category | Cases | |
|---|---|---|---|
| 1 | -98 | 5 |
1.4%
|
| 2 | 5 | 20 |
5.8%
|
| 3 | 6 | 31 |
9%
|
| 4 | 7 | 51 |
14.8%
|
| 5 | 8 | 56 |
16.2%
|
| 6 | 9 | 40 |
11.6%
|
| 7 | 10 | 56 |
16.2%
|
| 8 | 11 | 13 |
3.8%
|
| 9 | 12 | 2 |
0.6%
|
| 10 | 13 | 4 |
1.2%
|
| Missing value | 67 |
19.4%
|