| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 35 |
10.6%
|
| 2 | 44 |
13.3%
|
|
| 3 | 39 |
11.8%
|
|
| 4 | 33 |
10%
|
|
| 5 | 35 |
10.6%
|
|
| 6 | 31 |
9.4%
|
|
| 7 | 31 |
9.4%
|
|
| 8 | 41 |
12.4%
|
|
| 9 | 21 |
6.4%
|
|
| 10 | Very effective | 20 |
6.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 145 |