| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
1.1%
|
|
| 3 | 10 |
3.7%
|
|
| 4 | 8 |
3%
|
|
| 5 | 35 |
13.1%
|
|
| 6 | 35 |
13.1%
|
|
| 7 | 44 |
16.5%
|
|
| 8 | 50 |
18.7%
|
|
| 9 | 32 |
12%
|
|
| 10 | Very effective | 23 |
8.6%
|
| 11 | Don't know | 27 |
10.1%
|
| Sysmiss | 4 |