| Value | Category | Cases | |
|---|---|---|---|
| 0 | 477 |
21.7%
|
|
| 1 | 592 |
26.9%
|
|
| 2 | 899 |
40.9%
|
|
| 3 | 231 |
10.5%
|
|
| Sysmiss | 51 |