| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.8%
|
| 2 | 8 |
2.9%
|
|
| 3 | 11 |
4%
|
|
| 4 | 18 |
6.5%
|
|
| 5 | 46 |
16.7%
|
|
| 6 | 39 |
14.1%
|
|
| 7 | 48 |
17.4%
|
|
| 8 | 36 |
13%
|
|
| 9 | 23 |
8.3%
|
|
| 10 | Very effective | 13 |
4.7%
|
| 11 | 29 |
10.5%
|
|
| Sysmiss | 5 |