| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.7%
|
| 2 | 0 |
0%
|
|
| 3 | 4 |
1.4%
|
|
| 4 | 20 |
7.1%
|
|
| 5 | 35 |
12.5%
|
|
| 6 | 44 |
15.7%
|
|
| 7 | 45 |
16.1%
|
|
| 8 | 42 |
15%
|
|
| 9 | 38 |
13.6%
|
|
| 10 | Very effective | 22 |
7.9%
|
| 11 | 28 |
10%
|
|
| Sysmiss | 1 |