| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
7.3%
|
| 2 | 26 |
7%
|
|
| 3 | 36 |
9.7%
|
|
| 4 | 46 |
12.4%
|
|
| 5 | 49 |
13.2%
|
|
| 6 | 49 |
13.2%
|
|
| 7 | 45 |
12.1%
|
|
| 8 | 33 |
8.9%
|
|
| 9 | 36 |
9.7%
|
|
| 10 | Very effective | 24 |
6.5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 104 |