| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3570 |
77.1%
|
|
| 1 | 812 |
17.5%
|
|
| 2 | 165 |
3.6%
|
|
| 3 | 81 |
1.8%
|
|
| Sysmiss | 2206 |