| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.3%
|
| 2 | 5 |
1.7%
|
|
| 3 | 12 |
4%
|
|
| 4 | 8 |
2.7%
|
|
| 5 | 19 |
6.3%
|
|
| 6 | 27 |
9%
|
|
| 7 | 27 |
9%
|
|
| 8 | 31 |
10.3%
|
|
| 9 | 23 |
7.6%
|
|
| 10 | Very effective | 20 |
6.6%
|
| 11 | 128 |
42.5%
|
|
| Sysmiss | 6 |