| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 4210 |
40%
|
| 2 | Involved, Not Important | 685 |
6.5%
|
| 3 | Not Involved | 4544 |
43.1%
|
| 4 | Method Not Applicable | 1098 |
10.4%
|
| Sysmiss | 971 |