| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19738 |
87.3%
|
|
| 1 | 1755 |
7.8%
|
|
| 2 | 1005 |
4.4%
|
|
| 3 | 123 |
0.5%
|
|
| Sysmiss | 15655 |