| Value | Category | Cases | |
|---|---|---|---|
| 16 | 1 |
10%
|
|
| 18 | 1 |
10%
|
|
| 19 | 2 |
20%
|
|
| 20 | 1 |
10%
|
|
| 21 | 2 |
20%
|
|
| 23 | 1 |
10%
|
|
| 24 | 2 |
20%
|
|
| 99 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 17993 |