| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very effective | 6 |
9.8%
|
| 2 | Effective | 18 |
29.5%
|
| 3 | Moderately | 20 |
32.8%
|
| 4 | Poor | 14 |
23%
|
| 5 | Very poor | 1 |
1.6%
|
| 6 | Not Applicable | 2 |
3.3%
|
| Sysmiss | 1919 |