| Value | Category | Cases | |
|---|---|---|---|
| 0 | 650 |
22.4%
|
|
| 1 | 542 |
18.7%
|
|
| 2 | 468 |
16.1%
|
|
| 3 | 560 |
19.3%
|
|
| 4 | 680 |
23.4%
|
|
| Sysmiss | 17 |