| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2.2%
|
| 2 | 3 |
0.7%
|
|
| 3 | 16 |
4%
|
|
| 4 | 27 |
6.7%
|
|
| 5 | 44 |
10.9%
|
|
| 6 | 42 |
10.4%
|
|
| 7 | 61 |
15.1%
|
|
| 8 | 56 |
13.9%
|
|
| 9 | 42 |
10.4%
|
|
| 10 | Very effective | 41 |
10.2%
|
| 11 | Don't know | 62 |
15.4%
|
| Sysmiss | 4 |