| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3790 |
86.7%
|
|
| 1 | 309 |
7.1%
|
|
| 2 | 161 |
3.7%
|
|
| 3 | 111 |
2.5%
|
|
| Sysmiss | 90 |