| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.4%
|
|
| 2 | 29 |
11.9%
|
|
| 3 | 28 |
11.5%
|
|
| 5 | 168 |
69.1%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 2 |
0.8%
|
|
| 8 | 2 |
0.8%
|
|
| 9 | 12 |
4.9%
|
|
| Sysmiss | 806 |