| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1253 |
28.4%
|
|
| 1 | 2866 |
64.9%
|
|
| 2 | 268 |
6.1%
|
|
| 3 | 23 |
0.5%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 2647 |