| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 1 |
1%
|
|
| 4 | 2 |
1.9%
|
|
| 5 | 5 |
4.8%
|
|
| 6 | 8 |
7.6%
|
|
| 7 | 18 |
17.1%
|
|
| 8 | 39 |
37.1%
|
|
| 9 | 17 |
16.2%
|
|
| 10 | Very effective | 15 |
14.3%
|
| -99 | 5 | ||
| 11 | Don't know | 40 | |
| Sysmiss | 7 |