| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1%
|
|
| 1 | Not effective at all | 15 |
5.2%
|
| 2 | 11 |
3.8%
|
|
| 3 | 18 |
6.2%
|
|
| 4 | 24 |
8.3%
|
|
| 5 | 43 |
14.9%
|
|
| 6 | 24 |
8.3%
|
|
| 7 | 32 |
11.1%
|
|
| 8 | 18 |
6.2%
|
|
| 9 | 15 |
5.2%
|
|
| 10 | Very effective | 8 |
2.8%
|
| 11 | Don't know | 78 |
27%
|
| Sysmiss | 18 |