| Value | Category | Cases | |
|---|---|---|---|
| 1 | 648 |
14.7%
|
|
| 2 | 3395 |
77.1%
|
|
| 7 | 359 |
8.2%
|
|
| 9 | 2 |
0%
|
|
| Sysmiss | 4 |