| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
5.3%
|
| 2 | 7 |
2.8%
|
|
| 3 | 12 |
4.9%
|
|
| 4 | 12 |
4.9%
|
|
| 5 | 21 |
8.5%
|
|
| 6 | 29 |
11.8%
|
|
| 7 | 41 |
16.7%
|
|
| 8 | 47 |
19.1%
|
|
| 9 | 34 |
13.8%
|
|
| 10 | Very effective | 30 |
12.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 145 |