| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1%
|
| 2 | 8 |
1.5%
|
|
| 3 | 36 |
6.9%
|
|
| 4 | 83 |
15.8%
|
|
| 5 | 106 |
20.2%
|
|
| 6 | 102 |
19.4%
|
|
| 7 | 89 |
17%
|
|
| 8 | 55 |
10.5%
|
|
| 9 | 35 |
6.7%
|
|
| 10 | Very effective | 6 |
1.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 38 |