| Value | Category | Cases | |
|---|---|---|---|
| 1 | 223 |
1.6%
|
|
| 2 | 1597 |
11.3%
|
|
| 3 | 7677 |
54.5%
|
|
| 4 | 4592 |
32.6%
|
|
| Sysmiss | 198 |