| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.1%
|
|
| 3 | 20 |
41.7%
|
|
| 4 | 13 |
27.1%
|
|
| 5 | 5 |
10.4%
|
|
| 6 | 4 |
8.3%
|
|
| 7 | 3 |
6.3%
|
|
| 8 | 2 |
4.2%
|
|
| Sysmiss | 1903 |