| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
1.3%
|
|
| 3 | 2 |
1.3%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 5 |
3.3%
|
|
| 6 | 11 |
7.2%
|
|
| 7 | 14 |
9.2%
|
|
| 8 | 23 |
15.1%
|
|
| 9 | 14 |
9.2%
|
|
| 10 | Very effective | 11 |
7.2%
|
| 11 | Don't know | 69 |
45.4%
|
| Sysmiss | 7 |