| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3056 |
36.6%
|
|
| 1 | 1562 |
18.7%
|
|
| 2 | 3391 |
40.7%
|
|
| 3 | 331 |
4%
|
|
| Sysmiss | 8986 |