| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2630 |
15.1%
|
|
| 2 | 460 |
2.6%
|
|
| 2.5 | 1190 |
6.8%
|
|
| 3 | 2580 |
14.8%
|
|
| 3.5 | 1810 |
10.4%
|
|
| 4 | 8760 |
50.3%
|
|
| Sysmiss | 17938 |