| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
4.4%
|
| 2 | 18 |
2.9%
|
|
| 3 | 28 |
4.6%
|
|
| 4 | 51 |
8.3%
|
|
| 5 | 80 |
13.1%
|
|
| 6 | 91 |
14.9%
|
|
| 7 | 89 |
14.5%
|
|
| 8 | 87 |
14.2%
|
|
| 9 | 71 |
11.6%
|
|
| 10 | Very effective | 70 |
11.4%
|
| 11 | Don't know | 89 | |
| Sysmiss | 18 |