| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
2.5%
|
| 2 | 16 |
3.7%
|
|
| 3 | 19 |
4.3%
|
|
| 4 | 26 |
5.9%
|
|
| 5 | 46 |
10.5%
|
|
| 6 | 59 |
13.5%
|
|
| 7 | 91 |
20.8%
|
|
| 8 | 78 |
17.8%
|
|
| 9 | 60 |
13.7%
|
|
| 10 | Very effective | 31 |
7.1%
|
| 11 | Don't know | 60 | |
| Sysmiss | 8 |