| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2%
|
| 3 | 7 |
2.3%
|
|
| 4 | 10 |
3.3%
|
|
| 5 | 16 |
5.3%
|
|
| 6 | 21 |
7%
|
|
| 7 | 39 |
13%
|
|
| 8 | 30 |
10%
|
|
| 9 | 16 |
5.3%
|
|
| 10 | Very effective | 5 |
1.7%
|
| 11 | Don't know | 0 |
0%
|
| NA | 150 |
50%
|