| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1.3%
|
| 2 | 3 |
1.3%
|
|
| 3 | 8 |
3.3%
|
|
| 4 | 22 |
9.2%
|
|
| 5 | 24 |
10%
|
|
| 6 | 28 |
11.7%
|
|
| 7 | 24 |
10%
|
|
| 8 | 25 |
10.5%
|
|
| 9 | 20 |
8.4%
|
|
| 10 | Very effective | 19 |
7.9%
|
| 11 | 63 |
26.4%
|
|
| Sysmiss | 19 |