| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2%
|
| 2 | 4 |
1.4%
|
|
| 3 | 11 |
3.8%
|
|
| 4 | 28 |
9.6%
|
|
| 5 | 55 |
18.8%
|
|
| 6 | 51 |
17.4%
|
|
| 7 | 47 |
16%
|
|
| 8 | 49 |
16.7%
|
|
| 9 | 28 |
9.6%
|
|
| 10 | Very effective | 14 |
4.8%
|
| -99 | 3 | ||
| 11 | Don't know | 68 | |
| Sysmiss | 57 |