| Value | Category | Cases | |
|---|---|---|---|
| 1 | 857 |
6.2%
|
|
| 2 | 3117 |
22.6%
|
|
| 3 | 6741 |
48.9%
|
|
| 4 | 3075 |
22.3%
|
|
| Sysmiss | 497 |