| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
3.2%
|
| 2 | 23 |
6.6%
|
|
| 3 | 25 |
7.2%
|
|
| 4 | 33 |
9.5%
|
|
| 5 | 46 |
13.3%
|
|
| 6 | 42 |
12.1%
|
|
| 7 | 63 |
18.2%
|
|
| 8 | 46 |
13.3%
|
|
| 9 | 35 |
10.1%
|
|
| 10 | Very effective | 22 |
6.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 129 |