| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
5.1%
|
| 2 | 12 |
8.8%
|
|
| 3 | 20 |
14.7%
|
|
| 4 | 15 |
11%
|
|
| 5 | 29 |
21.3%
|
|
| 6 | 18 |
13.2%
|
|
| 7 | 16 |
11.8%
|
|
| 8 | 11 |
8.1%
|
|
| 9 | 2 |
1.5%
|
|
| 10 | Very effective | 6 |
4.4%
|
| 11 | Don't know | 55 | |
| Sysmiss | 7 |