| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
19.2%
|
|
| 1 | 27 |
51.9%
|
|
| 2 | 10 |
19.2%
|
|
| 3 | 1 |
1.9%
|
|
| 4 | 2 |
3.8%
|
|
| 8 | 2 |
3.8%
|
|
| Sysmiss | 606 |