| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 3 |
1%
|
|
| 3 | 11 |
3.6%
|
|
| 4 | 14 |
4.6%
|
|
| 5 | 19 |
6.3%
|
|
| 6 | 28 |
9.2%
|
|
| 7 | 26 |
8.6%
|
|
| 8 | 27 |
8.9%
|
|
| 9 | 18 |
5.9%
|
|
| 10 | Very effective | 20 |
6.6%
|
| 11 | 135 |
44.4%
|
|
| Sysmiss | 3 |