| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2%
|
| 2 | 11 |
4.5%
|
|
| 3 | 18 |
7.3%
|
|
| 4 | 30 |
12.2%
|
|
| 5 | 44 |
18%
|
|
| 6 | 41 |
16.7%
|
|
| 7 | 43 |
17.6%
|
|
| 8 | 24 |
9.8%
|
|
| 9 | 16 |
6.5%
|
|
| 10 | Very effective | 13 |
5.3%
|
| 11 | Don't know | 14 | |
| Sysmiss | 3 |