| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
3.9%
|
| 2 | 21 |
8.1%
|
|
| 3 | 28 |
10.9%
|
|
| 4 | 35 |
13.6%
|
|
| 5 | 44 |
17.1%
|
|
| 6 | 16 |
6.2%
|
|
| 7 | 18 |
7%
|
|
| 8 | 11 |
4.3%
|
|
| 9 | 9 |
3.5%
|
|
| 10 | Very effective | 9 |
3.5%
|
| 11 | Don't know | 57 |
22.1%
|
| Sysmiss | 2 |