| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
2.1%
|
| 2 | 6 |
3.1%
|
|
| 3 | 12 |
6.2%
|
|
| 4 | 17 |
8.7%
|
|
| 5 | 19 |
9.7%
|
|
| 6 | 14 |
7.2%
|
|
| 7 | 21 |
10.8%
|
|
| 8 | 29 |
14.9%
|
|
| 9 | 10 |
5.1%
|
|
| 10 | Very effective | 2 |
1%
|
| 11 | 61 |
31.3%
|
|
| Sysmiss | 7 |