| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.4%
|
|
| 15 | 3 |
1.2%
|
|
| 16 | 1 |
0.4%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 9 |
3.7%
|
|
| 21 | 1 |
0.4%
|
|
| 22 | 13 |
5.3%
|
|
| 23 | 13 |
5.3%
|
|
| 24 | 10 |
4.1%
|
|
| 25 | 54 |
22.1%
|
|
| 26 | 19 |
7.8%
|
|
| 27 | 10 |
4.1%
|
|
| 28 | 15 |
6.1%
|
|
| 29 | 1 |
0.4%
|
|
| 30 | 60 |
24.6%
|
|
| Missing value | 33 |
13.5%
|