| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.8%
|
| 2 | 4 |
3%
|
|
| 3 | 5 |
3.8%
|
|
| 4 | 10 |
7.6%
|
|
| 5 | 26 |
19.7%
|
|
| 6 | 13 |
9.8%
|
|
| 7 | 31 |
23.5%
|
|
| 8 | 13 |
9.8%
|
|
| 9 | 15 |
11.4%
|
|
| 10 | Very effective | 14 |
10.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 34 |