| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
3.2%
|
| 2 | 4 |
1.9%
|
|
| 3 | 6 |
2.8%
|
|
| 4 | 14 |
6.5%
|
|
| 5 | 28 |
13%
|
|
| 6 | 42 |
19.4%
|
|
| 7 | 51 |
23.6%
|
|
| 8 | 35 |
16.2%
|
|
| 9 | 16 |
7.4%
|
|
| 10 | Very effective | 13 |
6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 224 |