| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.7%
|
| 2 | 3 |
2%
|
|
| 3 | 3 |
2%
|
|
| 4 | 5 |
3.3%
|
|
| 5 | 9 |
6%
|
|
| 6 | 15 |
10%
|
|
| 7 | 17 |
11.3%
|
|
| 8 | 26 |
17.3%
|
|
| 9 | 6 |
4%
|
|
| 10 | Very effective | 5 |
3.3%
|
| 11 | Don’t know | 60 |
40%
|
| Sysmiss | 15 |