| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 20 |
6.3%
|
| 2 | 23 |
7.3%
|
|
| 3 | 32 |
10.2%
|
|
| 4 | 38 |
12.1%
|
|
| 5 | 35 |
11.1%
|
|
| 6 | 42 |
13.3%
|
|
| 7 | 44 |
14%
|
|
| 8 | 44 |
14%
|
|
| 9 | 21 |
6.7%
|
|
| 10 | Very effective | 16 |
5.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 160 |