| Value | Category | Cases | |
|---|---|---|---|
| 8 | 2 |
1%
|
|
| 9 | 6 |
3.1%
|
|
| 10 | 16 |
8.2%
|
|
| 12 | 2 |
1%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 3 |
1.5%
|
|
| 15 | 25 |
12.8%
|
|
| 16 | 1 |
0.5%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 2 |
1%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 39 |
19.9%
|
|
| 21 | 5 |
2.6%
|
|
| 22 | 7 |
3.6%
|
|
| 23 | 10 |
5.1%
|
|
| 24 | 5 |
2.6%
|
|
| 25 | 22 |
11.2%
|
|
| 26 | 8 |
4.1%
|
|
| 27 | 6 |
3.1%
|
|
| 28 | 11 |
5.6%
|
|
| 29 | 1 |
0.5%
|
|
| 30 | 19 |
9.7%
|
|
| Missing value | 3 |
1.5%
|