| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.3%
|
| 2 | 7 |
2.3%
|
|
| 3 | 8 |
2.6%
|
|
| 4 | 16 |
5.3%
|
|
| 5 | 20 |
6.6%
|
|
| 6 | 30 |
9.9%
|
|
| 7 | 36 |
11.9%
|
|
| 8 | 29 |
9.6%
|
|
| 9 | 13 |
4.3%
|
|
| 10 | Very effective | 20 |
6.6%
|
| 11 | 122 |
40.4%
|
|
| Sysmiss | 5 |