| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1%
|
|
| 1 | Not effective at all | 18 |
6%
|
| 2 | 13 |
4.3%
|
|
| 3 | 11 |
3.7%
|
|
| 4 | 19 |
6.4%
|
|
| 5 | 43 |
14.4%
|
|
| 6 | 46 |
15.4%
|
|
| 7 | 24 |
8%
|
|
| 8 | 35 |
11.7%
|
|
| 9 | 12 |
4%
|
|
| 10 | Very effective | 12 |
4%
|
| 11 | Don't know | 63 |
21.1%
|
| Sysmiss | 8 |