| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.5%
|
| 2 | 9 |
2.4%
|
|
| 3 | 11 |
3%
|
|
| 4 | 20 |
5.4%
|
|
| 5 | 49 |
13.3%
|
|
| 6 | 68 |
18.4%
|
|
| 7 | 69 |
18.7%
|
|
| 8 | 71 |
19.2%
|
|
| 9 | 42 |
11.4%
|
|
| 10 | Very effective | 28 |
7.6%
|
| -99 | 57 | ||
| 11 | Don't know | 85 | |
| Sysmiss | 146 |