| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.4%
|
| 2 | 4 |
1.9%
|
|
| 3 | 11 |
5.2%
|
|
| 4 | 10 |
4.7%
|
|
| 5 | 18 |
8.5%
|
|
| 6 | 11 |
5.2%
|
|
| 7 | 13 |
6.2%
|
|
| 8 | 17 |
8.1%
|
|
| 9 | 13 |
6.2%
|
|
| 10 | Very effective | 19 |
9%
|
| 11 | 90 |
42.7%
|
|
| Sysmiss | 5 |