| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
1.2%
|
| 2 | 1 |
1.2%
|
|
| 3 | 1 |
1.2%
|
|
| 4 | 3 |
3.7%
|
|
| 5 | 4 |
4.9%
|
|
| 6 | 6 |
7.4%
|
|
| 7 | 6 |
7.4%
|
|
| 8 | 11 |
13.6%
|
|
| 9 | 16 |
19.8%
|
|
| 10 | Very effective | 16 |
19.8%
|
| 11 | 16 |
19.8%
|
|
| Sysmiss | 3 |