| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 19 | 71 |
3%
|
|
| 20 | 341 |
14.4%
|
|
| 21 | 233 |
9.9%
|
|
| 22 | 226 |
9.6%
|
|
| 23 | 294 |
12.4%
|
|
| 24 | 156 |
6.6%
|
|
| 25 | 355 |
15%
|
|
| 26 | 179 |
7.6%
|
|
| 27 | 188 |
8%
|
|
| 28 | 183 |
7.7%
|
|
| 29 | 83 |
3.5%
|
|
| 30 | 25 |
1.1%
|
|
| 31 | 12 |
0.5%
|
|
| 34 | 10 |
0.4%
|
|
| 35 | 7 |
0.3%
|