| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2.8%
|
| 2 | 4 |
1.2%
|
|
| 3 | 12 |
3.7%
|
|
| 4 | 21 |
6.5%
|
|
| 5 | 37 |
11.5%
|
|
| 6 | 47 |
14.6%
|
|
| 7 | 40 |
12.5%
|
|
| 8 | 52 |
16.2%
|
|
| 9 | 31 |
9.7%
|
|
| 10 | Very effective | 68 |
21.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 184 |