| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 3 |
0.7%
|
|
| 4 | 20 |
4.8%
|
|
| 5 | 43 |
10.3%
|
|
| 6 | 71 |
17%
|
|
| 7 | 99 |
23.7%
|
|
| 8 | 70 |
16.8%
|
|
| 9 | 52 |
12.5%
|
|
| 10 | Very effective | 59 |
14.1%
|
| 11 | Don't know | 0 | |
| Sysmiss | 6 |