| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 1 |
1.1%
|
|
| 4 | 1 |
1.1%
|
|
| 5 | 5 |
5.7%
|
|
| 6 | 8 |
9.2%
|
|
| 7 | 16 |
18.4%
|
|
| 8 | 24 |
27.6%
|
|
| 9 | 18 |
20.7%
|
|
| 10 | Very effective | 14 |
16.1%
|
| -99 | 5 | ||
| 11 | Don't know | 57 | |
| Sysmiss | 8 |