| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
2%
|
| 2 | 3 |
3.1%
|
|
| 3 | 2 |
2%
|
|
| 4 | 3 |
3.1%
|
|
| 5 | 5 |
5.1%
|
|
| 6 | 15 |
15.3%
|
|
| 7 | 14 |
14.3%
|
|
| 8 | 24 |
24.5%
|
|
| 9 | 19 |
19.4%
|
|
| 10 | Very effective | 11 |
11.2%
|
| -99 | 13 | ||
| 11 | Don't know | 71 | |
| Sysmiss | 22 |