| Value | Category | Cases | |
|---|---|---|---|
| 0 | 821 |
22.5%
|
|
| 1 | 797 |
21.9%
|
|
| 2 | 771 |
21.2%
|
|
| 3 | 648 |
17.8%
|
|
| 4 | 605 |
16.6%
|
|
| Sysmiss | 274 |