| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.7%
|
| 2 | 2 |
0.7%
|
|
| 3 | 3 |
1.1%
|
|
| 4 | 10 |
3.6%
|
|
| 5 | 39 |
14.1%
|
|
| 6 | 39 |
14.1%
|
|
| 7 | 43 |
15.5%
|
|
| 8 | 54 |
19.5%
|
|
| 9 | 36 |
13%
|
|
| 10 | Very effective | 20 |
7.2%
|
| 11 | 29 |
10.5%
|
|
| Sysmiss | 4 |