| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 4590 |
43.6%
|
| 2 | Involved, Not Important | 761 |
7.2%
|
| 3 | Not Involved | 4453 |
42.3%
|
| 4 | Method Not Applicable | 732 |
6.9%
|
| Sysmiss | 972 |