| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.7%
|
| 2 | 2 |
0.7%
|
|
| 3 | 8 |
2.9%
|
|
| 4 | 12 |
4.3%
|
|
| 5 | 45 |
16.1%
|
|
| 6 | 44 |
15.8%
|
|
| 7 | 43 |
15.4%
|
|
| 8 | 42 |
15.1%
|
|
| 9 | 37 |
13.3%
|
|
| 10 | Very effective | 25 |
9%
|
| 11 | 19 |
6.8%
|
|
| Sysmiss | 2 |