| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
3.4%
|
|
| 3 | 2 |
3.4%
|
|
| 4 | 1 |
1.7%
|
|
| 5 | 5 |
8.5%
|
|
| 6 | 2 |
3.4%
|
|
| 7 | 9 |
15.3%
|
|
| 8 | 19 |
32.2%
|
|
| 9 | 16 |
27.1%
|
|
| 10 | Very effective | 3 |
5.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 105 |