| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
2.3%
|
| 2 | 10 |
2.9%
|
|
| 3 | 10 |
2.9%
|
|
| 4 | 19 |
5.5%
|
|
| 5 | 35 |
10.2%
|
|
| 6 | 29 |
8.4%
|
|
| 7 | 48 |
14%
|
|
| 8 | 86 |
25%
|
|
| 9 | 66 |
19.2%
|
|
| 10 | Very effective | 33 |
9.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 47 |