| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3855 |
88.2%
|
|
| 1 | 254 |
5.8%
|
|
| 2 | 166 |
3.8%
|
|
| 3 | 96 |
2.2%
|
|
| Sysmiss | 90 |