| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
5%
|
| 2 | 2 |
0.9%
|
|
| 3 | 4 |
1.8%
|
|
| 4 | 10 |
4.6%
|
|
| 5 | 18 |
8.2%
|
|
| 6 | 19 |
8.7%
|
|
| 7 | 37 |
16.9%
|
|
| 8 | 57 |
26%
|
|
| 9 | 39 |
17.8%
|
|
| 10 | Very effective | 22 |
10%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 172 |