| Value | Category | Cases | |
|---|---|---|---|
| 15 | 4 |
0.4%
|
|
| 16 | 5 |
0.5%
|
|
| 17 | 21 |
2.1%
|
|
| 18 | 66 |
6.5%
|
|
| 19 | 69 |
6.8%
|
|
| 20 | 283 |
27.9%
|
|
| 21 | 85 |
8.4%
|
|
| 22 | 51 |
5%
|
|
| 23 | 44 |
4.3%
|
|
| 24 | 24 |
2.4%
|
|
| 25 | 131 |
12.9%
|
|
| 26 | 41 |
4%
|
|
| 27 | 7 |
0.7%
|
|
| 28 | 21 |
2.1%
|
|
| 29 | 32 |
3.2%
|
|
| 30 | 131 |
12.9%
|
|
| Sysmiss | 164 |