| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
11.4%
|
|
| 1 | 26 |
74.3%
|
|
| 2 | 3 |
8.6%
|
|
| 3 | 1 |
2.9%
|
|
| 6 | 1 |
2.9%
|
|
| Sysmiss | 1690 |