| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
7.4%
|
|
| 1 | 25 |
30.9%
|
|
| 2 | 35 |
43.2%
|
|
| 3 | 11 |
13.6%
|
|
| 4 | 2 |
2.5%
|
|
| 5 | 2 |
2.5%
|
|
| Sysmiss | 480 |