| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 0 |
0%
|
|
| 3 | 4 |
2.1%
|
|
| 4 | 4 |
2.1%
|
|
| 5 | 13 |
7%
|
|
| 6 | 18 |
9.6%
|
|
| 7 | 15 |
8%
|
|
| 8 | 9 |
4.8%
|
|
| 9 | 4 |
2.1%
|
|
| 10 | Very effective | 2 |
1.1%
|
| 11 | Don't know | 118 |
63.1%
|
| Sysmiss | 16 |