| Value | Category | Cases | |
|---|---|---|---|
| 1 | 593 |
15.4%
|
|
| 2 | 1460 |
37.9%
|
|
| 3 | 1552 |
40.3%
|
|
| 9 | 245 |
6.4%
|
|
| Sysmiss | 105 |