| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2.3%
|
| 2 | 3 |
1.1%
|
|
| 3 | 2 |
0.8%
|
|
| 4 | 7 |
2.7%
|
|
| 5 | 19 |
7.2%
|
|
| 6 | 12 |
4.6%
|
|
| 7 | 17 |
6.5%
|
|
| 8 | 18 |
6.8%
|
|
| 9 | 19 |
7.2%
|
|
| 10 | Very effective | 27 |
10.3%
|
| 11 | Don't know | 133 |
50.6%
|
| Sysmiss | 30 |