| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1554 |
15.3%
|
|
| 3 | 6635 |
65.1%
|
|
| 8 | 808 |
7.9%
|
|
| 9 | 1191 |
11.7%
|
|
| Sysmiss | 360 |