| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 1 |
0.9%
|
|
| 4 | 2 |
1.9%
|
|
| 5 | 3 |
2.8%
|
|
| 6 | 9 |
8.3%
|
|
| 7 | 18 |
16.7%
|
|
| 8 | 37 |
34.3%
|
|
| 9 | 25 |
23.1%
|
|
| 10 | Very effective | 13 |
12%
|
| -99 | 5 | ||
| 11 | Don't know | 37 | |
| Sysmiss | 7 |