| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 2 |
0.8%
|
|
| 4 | 3 |
1.2%
|
|
| 5 | 18 |
7.4%
|
|
| 6 | 29 |
11.9%
|
|
| 7 | 61 |
25%
|
|
| 8 | 81 |
33.2%
|
|
| 9 | 40 |
16.4%
|
|
| 10 | Very effective | 10 |
4.1%
|
| -99 | 34 | ||
| 11 | Don't know | 263 | |
| Sysmiss | 39 |