| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.4%
|
| 2 | 4 |
1.9%
|
|
| 3 | 3 |
1.4%
|
|
| 4 | 7 |
3.3%
|
|
| 5 | 19 |
9%
|
|
| 6 | 9 |
4.3%
|
|
| 7 | 14 |
6.7%
|
|
| 8 | 20 |
9.5%
|
|
| 9 | 19 |
9%
|
|
| 10 | Very effective | 18 |
8.6%
|
| 11 | 92 |
43.8%
|
|
| Sysmiss | 6 |