| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 45 |
23.2%
|
| 2 | 18 |
9.3%
|
|
| 3 | 13 |
6.7%
|
|
| 4 | 20 |
10.3%
|
|
| 5 | 17 |
8.8%
|
|
| 6 | 9 |
4.6%
|
|
| 7 | 17 |
8.8%
|
|
| 8 | 12 |
6.2%
|
|
| 9 | 12 |
6.2%
|
|
| 10 | Very effective | 31 |
16%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 148 |