| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1.2%
|
| 2 | 3 |
1.8%
|
|
| 3 | 7 |
4.1%
|
|
| 4 | 12 |
7.1%
|
|
| 5 | 16 |
9.4%
|
|
| 6 | 14 |
8.2%
|
|
| 7 | 21 |
12.4%
|
|
| 8 | 12 |
7.1%
|
|
| 9 | 6 |
3.5%
|
|
| 10 | Very effective | 5 |
2.9%
|
| 11 | Don't know | 72 |
42.4%
|
| Sysmiss | 16 |