| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1026 |
19.3%
|
|
| 1 | 424 |
8%
|
|
| 2 | 575 |
10.8%
|
|
| 3 | 1501 |
28.2%
|
|
| 4 | 1794 |
33.7%
|
|
| Sysmiss | 3255 |