| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
3%
|
| 2 | 8 |
1.7%
|
|
| 3 | 15 |
3.2%
|
|
| 4 | 23 |
4.9%
|
|
| 5 | 48 |
10.3%
|
|
| 6 | 50 |
10.7%
|
|
| 7 | 44 |
9.4%
|
|
| 8 | 53 |
11.4%
|
|
| 9 | 39 |
8.4%
|
|
| 10 | Very effective | 97 |
20.8%
|
| 11 | Don't know | 75 |
16.1%
|
| Sysmiss | 101 |