| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 26 |
7.9%
|
| 2 | 28 |
8.5%
|
|
| 3 | 43 |
13%
|
|
| 4 | 47 |
14.2%
|
|
| 5 | 72 |
21.8%
|
|
| 6 | 48 |
14.5%
|
|
| 7 | 35 |
10.6%
|
|
| 8 | 16 |
4.8%
|
|
| 9 | 9 |
2.7%
|
|
| 10 | Very effective | 7 |
2.1%
|
| 11 | Don't know | 143 | |
| Sysmiss | 4 |