| Value | Category | Cases | |
|---|---|---|---|
| 17 | 2 |
0.2%
|
|
| 18 | 65 |
5.1%
|
|
| 19 | 93 |
7.3%
|
|
| 20 | 179 |
14.1%
|
|
| 21 | 218 |
17.1%
|
|
| 22 | 224 |
17.6%
|
|
| 23 | 175 |
13.8%
|
|
| 24 | 116 |
9.1%
|
|
| 25 | 79 |
6.2%
|
|
| 26 | 50 |
3.9%
|
|
| 27 | 25 |
2%
|
|
| 28 | 18 |
1.4%
|
|
| 29 | 13 |
1%
|
|
| 30 | 15 |
1.2%
|
|
| Sysmiss | 21 |