| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
2.3%
|
| 2 | 3 |
3.5%
|
|
| 3 | 2 |
2.3%
|
|
| 4 | 6 |
7%
|
|
| 5 | 15 |
17.4%
|
|
| 6 | 8 |
9.3%
|
|
| 7 | 16 |
18.6%
|
|
| 8 | 14 |
16.3%
|
|
| 9 | 7 |
8.1%
|
|
| 10 | Very effective | 13 |
15.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 23 |