| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
8.9%
|
| 2 | 16 |
8.9%
|
|
| 3 | 14 |
7.8%
|
|
| 4 | 17 |
9.5%
|
|
| 5 | 27 |
15.1%
|
|
| 6 | 31 |
17.3%
|
|
| 7 | 21 |
11.7%
|
|
| 8 | 20 |
11.2%
|
|
| 9 | 10 |
5.6%
|
|
| 10 | Very effective | 7 |
3.9%
|
| 11 | Don't know | 74 | |
| Sysmiss | 73 |