| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 8 |
2.7%
|
|
| 3 | 5 |
1.7%
|
|
| 4 | 15 |
5.1%
|
|
| 5 | 37 |
12.6%
|
|
| 6 | 45 |
15.4%
|
|
| 7 | 44 |
15%
|
|
| 8 | 18 |
6.1%
|
|
| 9 | 19 |
6.5%
|
|
| 10 | Very effective | 13 |
4.4%
|
| 11 | 84 |
28.7%
|
|
| Sysmiss | 8 |