| Value | Category | Cases | |
|---|---|---|---|
| 1 | 528 |
3.9%
|
|
| 2 | 2852 |
21%
|
|
| 3 | 7490 |
55.3%
|
|
| 4 | 2680 |
19.8%
|
|
| Sysmiss | 737 |