| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2.8%
|
| 2 | 12 |
3.8%
|
|
| 3 | 12 |
3.8%
|
|
| 4 | 20 |
6.3%
|
|
| 5 | 33 |
10.3%
|
|
| 6 | 26 |
8.1%
|
|
| 7 | 18 |
5.6%
|
|
| 8 | 21 |
6.6%
|
|
| 9 | 13 |
4.1%
|
|
| 10 | Very effective | 5 |
1.6%
|
| 11 | Don't know | 151 |
47.2%
|
| Sysmiss | 48 |