| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2835 |
78.3%
|
|
| 1 | 128 |
3.5%
|
|
| 2 | 404 |
11.2%
|
|
| 3 | 256 |
7.1%
|
|
| Sysmiss | 1694 |