| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
8.1%
|
| 2 | 7 |
6.3%
|
|
| 3 | 5 |
4.5%
|
|
| 4 | 18 |
16.2%
|
|
| 5 | 25 |
22.5%
|
|
| 6 | 13 |
11.7%
|
|
| 7 | 5 |
4.5%
|
|
| 8 | 14 |
12.6%
|
|
| 9 | 7 |
6.3%
|
|
| 10 | Very effective | 8 |
7.2%
|
| 11 | Don't know | 144 | |
| Sysmiss | 71 |