| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 43 |
10.1%
|
| 2 | 49 |
11.5%
|
|
| 3 | 74 |
17.3%
|
|
| 4 | 105 |
24.6%
|
|
| 5 | 78 |
18.3%
|
|
| 6 | 45 |
10.5%
|
|
| 7 | 18 |
4.2%
|
|
| 8 | 5 |
1.2%
|
|
| 9 | 3 |
0.7%
|
|
| 10 | Very effective | 7 |
1.6%
|
| 11 | Don't know | 48 | |
| Sysmiss | 3 |