| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 4 |
1.3%
|
|
| 3 | 10 |
3.3%
|
|
| 4 | 13 |
4.3%
|
|
| 5 | 23 |
7.7%
|
|
| 6 | 24 |
8%
|
|
| 7 | 33 |
11%
|
|
| 8 | 25 |
8.3%
|
|
| 9 | 20 |
6.7%
|
|
| 10 | Very effective | 13 |
4.3%
|
| 11 | 131 |
43.7%
|
|
| Sysmiss | 7 |