| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3127 |
17.5%
|
|
| 2 | 4940 |
27.6%
|
|
| 3 | 6530 |
36.4%
|
|
| 9 | 3320 |
18.5%
|
|
| Sysmiss | 124 |