| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 22 |
7%
|
| 2 | 23 |
7.3%
|
|
| 3 | 32 |
10.2%
|
|
| 4 | 32 |
10.2%
|
|
| 5 | 42 |
13.3%
|
|
| 6 | 35 |
11.1%
|
|
| 7 | 32 |
10.2%
|
|
| 8 | 49 |
15.6%
|
|
| 9 | 27 |
8.6%
|
|
| 10 | Very effective | 21 |
6.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 160 |