| Value | Category | Cases | |
|---|---|---|---|
| 0 | 672 |
30.5%
|
|
| 1 | 495 |
22.5%
|
|
| 2 | 200 |
9.1%
|
|
| 3 | 142 |
6.5%
|
|
| 4 | 570 |
25.9%
|
|
| 888 | 121 |
5.5%
|
|
| Sysmiss | 60 |