| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 3344 |
31.7%
|
| 2 | Involved, Not Important | 665 |
6.3%
|
| 3 | Not Involved | 5266 |
50%
|
| 4 | Method Not Applicable | 1261 |
12%
|
| Sysmiss | 972 |