| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2936 |
30.4%
|
|
| 2 | 3929 |
40.6%
|
|
| 3 | 1600 |
16.6%
|
|
| 4 | 998 |
10.3%
|
|
| 8 | 204 |
2.1%
|
|
| Sysmiss | 4053 |