| Value | Category | Cases | |
|---|---|---|---|
| 1 | 844 |
6.7%
|
|
| 2 | 3221 |
25.4%
|
|
| 3 | 6563 |
51.7%
|
|
| 4 | 2062 |
16.2%
|
|
| Sysmiss | 3880 |