| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 2 |
0.7%
|
|
| 3 | 4 |
1.4%
|
|
| 4 | 12 |
4.1%
|
|
| 5 | 27 |
9.2%
|
|
| 6 | 22 |
7.5%
|
|
| 7 | 36 |
12.3%
|
|
| 8 | 61 |
20.8%
|
|
| 9 | 33 |
11.3%
|
|
| 10 | Very effective | 47 |
16%
|
| 11 | 44 |
15%
|
|
| Sysmiss | 14 |