| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
16.2%
|
| 2 | 9 |
5.4%
|
|
| 3 | 10 |
6%
|
|
| 4 | 13 |
7.8%
|
|
| 5 | 16 |
9.6%
|
|
| 6 | 18 |
10.8%
|
|
| 7 | 15 |
9%
|
|
| 8 | 19 |
11.4%
|
|
| 9 | 8 |
4.8%
|
|
| 10 | Very effective | 32 |
19.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 175 |