| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
4.5%
|
|
| 1 | 495 |
83.3%
|
|
| 2 | 19 |
3.2%
|
|
| 3 | 10 |
1.7%
|
|
| 4 | 43 |
7.2%
|
|
| Sysmiss | 1606 |