| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
18.1%
|
| 2 | 10 |
6.7%
|
|
| 3 | 10 |
6.7%
|
|
| 4 | 18 |
12.1%
|
|
| 5 | 16 |
10.7%
|
|
| 6 | 12 |
8.1%
|
|
| 7 | 9 |
6%
|
|
| 8 | 14 |
9.4%
|
|
| 9 | 7 |
4.7%
|
|
| 10 | Very effective | 26 |
17.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 193 |