| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.5%
|
| 2 | 4 |
1.2%
|
|
| 3 | 7 |
2.1%
|
|
| 4 | 20 |
6%
|
|
| 5 | 28 |
8.4%
|
|
| 6 | 51 |
15.4%
|
|
| 7 | 47 |
14.2%
|
|
| 8 | 46 |
13.9%
|
|
| 9 | 27 |
8.1%
|
|
| 10 | Very effective | 47 |
14.2%
|
| 11 | Don't know | 50 |
15.1%
|
| Sysmiss | 22 |