| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.6%
|
|
| 1 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| 7 | 3 |
0.9%
|
|
| 8 | 41 |
12%
|
|
| 9 | 175 |
51%
|
|
| 10 | 109 |
31.8%
|
|
| 11 | 9 |
2.6%
|
|
| 20 | 1 |
0.3%
|
|
| Sysmiss | 1608 |