| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2%
|
| 2 | 16 |
3.5%
|
|
| 3 | 34 |
7.4%
|
|
| 4 | 47 |
10.2%
|
|
| 5 | 59 |
12.8%
|
|
| 6 | 73 |
15.9%
|
|
| 7 | 70 |
15.2%
|
|
| 8 | 75 |
16.3%
|
|
| 9 | 55 |
12%
|
|
| 10 | Very effective | 22 |
4.8%
|
| 11 | Don't know | 29 | |
| Sysmiss | 16 |