| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
3%
|
| 2 | 19 |
3.8%
|
|
| 3 | 28 |
5.6%
|
|
| 4 | 39 |
7.8%
|
|
| 5 | 60 |
12%
|
|
| 6 | 49 |
9.8%
|
|
| 7 | 42 |
8.4%
|
|
| 8 | 36 |
7.2%
|
|
| 9 | 35 |
7%
|
|
| 10 | Very effective | 73 |
14.7%
|
| 11 | Don't know | 102 |
20.5%
|
| Sysmiss | 69 |