| Value | Category | Cases | |
|---|---|---|---|
| 7 | 45 |
23%
|
|
| 8 | 26 |
13.3%
|
|
| 9 | 5 |
2.6%
|
|
| 10 | 20 |
10.2%
|
|
| 11 | 2 |
1%
|
|
| 12 | 15 |
7.7%
|
|
| 13 | 6 |
3.1%
|
|
| 14 | 10 |
5.1%
|
|
| 15 | 29 |
14.8%
|
|
| 16 | 2 |
1%
|
|
| 17 | 2 |
1%
|
|
| 18 | 2 |
1%
|
|
| 20 | 10 |
5.1%
|
|
| 21 | 2 |
1%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 1 |
0.5%
|
|
| Missing value | 18 |
9.2%
|