| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18711 |
83.4%
|
|
| 1 | 1292 |
5.8%
|
|
| 2 | 758 |
3.4%
|
|
| 12 | 1676 |
7.5%
|
|
| Sysmiss | 9 |