| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.7%
|
| 2 | 6 |
2%
|
|
| 3 | 10 |
3.3%
|
|
| 4 | 10 |
3.3%
|
|
| 5 | 19 |
6.3%
|
|
| 6 | 29 |
9.6%
|
|
| 7 | 28 |
9.3%
|
|
| 8 | 23 |
7.6%
|
|
| 9 | 20 |
6.6%
|
|
| 10 | Very effective | 18 |
6%
|
| 11 | 137 |
45.4%
|
|
| Sysmiss | 5 |