| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
6.3%
|
| 2 | 9 |
3.5%
|
|
| 3 | 14 |
5.5%
|
|
| 4 | 18 |
7.1%
|
|
| 5 | 28 |
11%
|
|
| 6 | 23 |
9.1%
|
|
| 7 | 25 |
9.8%
|
|
| 8 | 31 |
12.2%
|
|
| 9 | 11 |
4.3%
|
|
| 10 | Very effective | 18 |
7.1%
|
| 11 | 61 |
24%
|
|
| Sysmiss | 10 |