| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 4 |
2.3%
|
|
| 4 | 5 |
2.9%
|
|
| 5 | 30 |
17.1%
|
|
| 6 | 28 |
16%
|
|
| 7 | 47 |
26.9%
|
|
| 8 | 33 |
18.9%
|
|
| 9 | 18 |
10.3%
|
|
| 10 | Very effective | 10 |
5.7%
|
| -99 | 21 | ||
| 11 | Don't know | 343 | |
| Sysmiss | 41 |