| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
0.3%
|
|
| 3 | 6 |
2.1%
|
|
| 4 | 11 |
3.8%
|
|
| 5 | 46 |
16%
|
|
| 6 | 63 |
21.9%
|
|
| 7 | 65 |
22.6%
|
|
| 8 | 39 |
13.5%
|
|
| 9 | 26 |
9%
|
|
| 10 | Very effective | 31 |
10.8%
|
| 11 | Don't know | 21 | |
| Sysmiss | 87 |