| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
2.9%
|
|
| 3 | 3 |
2.9%
|
|
| 4 | 2 |
1.9%
|
|
| 5 | 11 |
10.5%
|
|
| 6 | 17 |
16.2%
|
|
| 7 | 33 |
31.4%
|
|
| 8 | 28 |
26.7%
|
|
| 9 | 7 |
6.7%
|
|
| 10 | Very effective | 1 |
1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 189 |