| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 1 |
1.1%
|
|
| 4 | 1 |
1.1%
|
|
| 5 | 2 |
2.1%
|
|
| 6 | 8 |
8.5%
|
|
| 7 | 25 |
26.6%
|
|
| 8 | 27 |
28.7%
|
|
| 9 | 19 |
20.2%
|
|
| 10 | Very effective | 11 |
11.7%
|
| -99 | 7 | ||
| 11 | Don't know | 48 | |
| Sysmiss | 8 |