| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
7.5%
|
|
| 3 | 26 |
49.1%
|
|
| 4 | 13 |
24.5%
|
|
| 5 | 6 |
11.3%
|
|
| 6 | 2 |
3.8%
|
|
| 7 | 1 |
1.9%
|
|
| 9 | 1 |
1.9%
|
|
| Sysmiss | 3330 |