| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
4%
|
|
| 3 | 3 |
4%
|
|
| 4 | 4 |
5.3%
|
|
| 5 | 13 |
17.3%
|
|
| 6 | 10 |
13.3%
|
|
| 7 | 13 |
17.3%
|
|
| 8 | 21 |
28%
|
|
| 9 | 6 |
8%
|
|
| 10 | Very effective | 2 |
2.7%
|
| -99 | 6 | ||
| 11 | Don't know | 52 | |
| Sysmiss | 26 |