| Value | Category | Cases | |
|---|---|---|---|
| 0 | 256 |
80.8%
|
|
| 2 | 16 |
5%
|
|
| 3 | 5 |
1.6%
|
|
| 4 | 8 |
2.5%
|
|
| 5 | 3 |
0.9%
|
|
| 6 | 8 |
2.5%
|
|
| 7 | 13 |
4.1%
|
|
| 10 | 8 |
2.5%
|
|
| Sysmiss | 3460 |