| Value | Category | Cases | |
|---|---|---|---|
| 0 | 412 |
90%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 6 |
1.3%
|
|
| 6 | 22 |
4.8%
|
|
| 7 | 13 |
2.8%
|
|
| 8 | 4 |
0.9%
|
|
| Sysmiss | 3 |