| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.3%
|
| 2 | 5 |
1.6%
|
|
| 3 | 9 |
3%
|
|
| 4 | 14 |
4.6%
|
|
| 5 | 22 |
7.2%
|
|
| 6 | 21 |
6.9%
|
|
| 7 | 24 |
7.9%
|
|
| 8 | 31 |
10.2%
|
|
| 9 | 16 |
5.3%
|
|
| 10 | Very effective | 19 |
6.3%
|
| 11 | 142 |
46.7%
|
|
| Sysmiss | 3 |