| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
2.1%
|
| 2 | 14 |
3.7%
|
|
| 3 | 33 |
8.8%
|
|
| 4 | 39 |
10.4%
|
|
| 5 | 39 |
10.4%
|
|
| 6 | 66 |
17.6%
|
|
| 7 | 58 |
15.5%
|
|
| 8 | 60 |
16%
|
|
| 9 | 30 |
8%
|
|
| 10 | Very effective | 27 |
7.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 101 |