| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2647 |
76.4%
|
|
| 6 | 303 |
8.7%
|
|
| 8 | 335 |
9.7%
|
|
| 9 | 179 |
5.2%
|
|
| Sysmiss | 4583 |