| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
2%
|
|
| 3 | 4 |
2.7%
|
|
| 4 | 8 |
5.3%
|
|
| 5 | 23 |
15.3%
|
|
| 6 | 42 |
28%
|
|
| 7 | 31 |
20.7%
|
|
| 8 | 19 |
12.7%
|
|
| 9 | 12 |
8%
|
|
| 10 | Very effective | 8 |
5.3%
|
| 11 | Don't know | 15 | |
| Sysmiss | 38 |