| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 2 |
0.7%
|
|
| 3 | 6 |
2%
|
|
| 4 | 11 |
3.6%
|
|
| 5 | 38 |
12.5%
|
|
| 6 | 50 |
16.4%
|
|
| 7 | 40 |
13.2%
|
|
| 8 | 53 |
17.4%
|
|
| 9 | 27 |
8.9%
|
|
| 10 | Very effective | 38 |
12.5%
|
| 11 | 36 |
11.8%
|
|
| Sysmiss | 6 |