| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
4.7%
|
| 2 | 23 |
5.7%
|
|
| 3 | 55 |
13.7%
|
|
| 4 | 84 |
20.9%
|
|
| 5 | 110 |
27.4%
|
|
| 6 | 64 |
15.9%
|
|
| 7 | 27 |
6.7%
|
|
| 8 | 13 |
3.2%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | Very effective | 5 |
1.2%
|
| 11 | Don't know | 73 | |
| Sysmiss | 3 |