| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 4 |
1.4%
|
|
| 3 | 10 |
3.5%
|
|
| 4 | 8 |
2.8%
|
|
| 5 | 13 |
4.5%
|
|
| 6 | 28 |
9.7%
|
|
| 7 | 24 |
8.3%
|
|
| 8 | 18 |
6.3%
|
|
| 9 | 9 |
3.1%
|
|
| 10 | Very effective | 5 |
1.7%
|
| 11 | Don't know | 166 |
57.6%
|
| Sysmiss | 14 |