| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 2 |
0.7%
|
|
| 3 | 6 |
2.1%
|
|
| 4 | 17 |
5.9%
|
|
| 5 | 29 |
10%
|
|
| 6 | 47 |
16.2%
|
|
| 7 | 39 |
13.4%
|
|
| 8 | 34 |
11.7%
|
|
| 9 | 20 |
6.9%
|
|
| 10 | Very effective | 18 |
6.2%
|
| 11 | 75 |
25.9%
|
|
| Sysmiss | 11 |