| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.6%
|
| 2 | 1 |
0.6%
|
|
| 3 | 2 |
1.3%
|
|
| 4 | 5 |
3.2%
|
|
| 5 | 13 |
8.4%
|
|
| 6 | 33 |
21.3%
|
|
| 7 | 45 |
29%
|
|
| 8 | 43 |
27.7%
|
|
| 9 | 10 |
6.5%
|
|
| 10 | Very effective | 2 |
1.3%
|
| 11 | Don't know | 46 | |
| Sysmiss | 1 |