| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Effective | 893 |
31.8%
|
| 2 | Moderately effective | 660 |
23.5%
|
| 3 | Rarely effective | 643 |
22.9%
|
| 4 | Not at all effective | 608 |
21.7%
|
| Sysmiss | 112 |