| Value | Category | Cases | |
|---|---|---|---|
| 0 | 169 |
0.8%
|
|
| 1 | 19332 |
88.9%
|
|
| 2 | 1049 |
4.8%
|
|
| 3 | 1200 |
5.5%
|
|
| Sysmiss | 1896 |