| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 1697 |
16.1%
|
| 2 | Involved, Not Important | 406 |
3.9%
|
| 3 | Not Involved | 3377 |
32.1%
|
| 4 | Method Not Applicable | 5056 |
48%
|
| Sysmiss | 972 |