| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
1.5%
|
|
| 3 | 1 |
0.8%
|
|
| 7 | 2 |
1.5%
|
|
| 8 | 15 |
11.5%
|
|
| 9 | 56 |
43.1%
|
|
| 10 | 53 |
40.8%
|
|
| 11 | 1 |
0.8%
|
|
| Sysmiss | 1821 |