| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 24 |
8.2%
|
| 2 | 9 |
3.1%
|
|
| 3 | 13 |
4.5%
|
|
| 4 | 22 |
7.5%
|
|
| 5 | 68 |
23.3%
|
|
| 6 | 47 |
16.1%
|
|
| 7 | 22 |
7.5%
|
|
| 8 | 9 |
3.1%
|
|
| 9 | 7 |
2.4%
|
|
| 10 | Very effective | 5 |
1.7%
|
| 11 | 66 |
22.6%
|
|
| Sysmiss | 9 |