| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
8.8%
|
|
| 1 | 5 |
5.5%
|
|
| 2 | 1 |
1.1%
|
|
| 4 | 54 |
59.3%
|
|
| 6 | 20 |
22%
|
|
| 7 | 3 |
3.3%
|
|
| Sysmiss | 1860 |