| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
17%
|
|
| 1 | 19 |
40.4%
|
|
| 2 | 15 |
31.9%
|
|
| 3 | 4 |
8.5%
|
|
| 4 | 1 |
2.1%
|
|
| Sysmiss | 3487 |