| Value | Category | Cases | |
|---|---|---|---|
| 11 | 423 |
43.1%
|
|
| 12 | 266 |
27.1%
|
|
| 18 | 25 |
2.5%
|
|
| 21 | 192 |
19.6%
|
|
| 22 | 55 |
5.6%
|
|
| 28 | 20 |
2%
|
|
| Sysmiss | 19710 |