| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
1.3%
|
|
| 3 | 8 |
5%
|
|
| 4 | 5 |
3.1%
|
|
| 5 | 17 |
10.6%
|
|
| 6 | 18 |
11.3%
|
|
| 7 | 27 |
16.9%
|
|
| 8 | 37 |
23.1%
|
|
| 9 | 24 |
15%
|
|
| 10 | Very effective | 22 |
13.8%
|
| -99 | 2 | ||
| 11 | Don't know | 11 | |
| Sysmiss | 10 |