| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3895 |
84.2%
|
|
| 1 | 167 |
3.6%
|
|
| 2 | 296 |
6.4%
|
|
| 3 | 270 |
5.8%
|
|
| Sysmiss | 2206 |