| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.9%
|
| 2 | 5 |
2.2%
|
|
| 3 | 9 |
4%
|
|
| 4 | 4 |
1.8%
|
|
| 5 | 20 |
8.9%
|
|
| 6 | 28 |
12.5%
|
|
| 7 | 15 |
6.7%
|
|
| 8 | 25 |
11.2%
|
|
| 9 | 17 |
7.6%
|
|
| 10 | Very effective | 12 |
5.4%
|
| 11 | Don't know | 87 |
38.8%
|
| Sysmiss | 13 |