| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2.9%
|
| 2 | 4 |
1.9%
|
|
| 3 | 8 |
3.8%
|
|
| 4 | 7 |
3.3%
|
|
| 5 | 10 |
4.8%
|
|
| 6 | 19 |
9%
|
|
| 7 | 18 |
8.6%
|
|
| 8 | 16 |
7.6%
|
|
| 9 | 8 |
3.8%
|
|
| 10 | Very effective | 16 |
7.6%
|
| 11 | 98 |
46.7%
|
|
| Sysmiss | 6 |