| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
4.7%
|
| 2 | 22 |
6.5%
|
|
| 3 | 33 |
9.7%
|
|
| 4 | 29 |
8.5%
|
|
| 5 | 45 |
13.2%
|
|
| 6 | 49 |
14.4%
|
|
| 7 | 53 |
15.5%
|
|
| 8 | 43 |
12.6%
|
|
| 9 | 28 |
8.2%
|
|
| 10 | Very effective | 23 |
6.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 134 |