| Value | Category | Cases | |
|---|---|---|---|
| 0 | 63 |
2.9%
|
|
| 1 | 50 |
2.3%
|
|
| 2 | 704 |
32.1%
|
|
| 3 | 1298 |
59.1%
|
|
| 4 | 80 |
3.6%
|
|
| Sysmiss | 313 |