| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
1%
|
|
| 1 | Not effective at all | 6 |
2.9%
|
| 2 | 13 |
6.4%
|
|
| 3 | 10 |
4.9%
|
|
| 4 | 19 |
9.3%
|
|
| 5 | 29 |
14.2%
|
|
| 6 | 19 |
9.3%
|
|
| 7 | 25 |
12.3%
|
|
| 8 | 6 |
2.9%
|
|
| 9 | 11 |
5.4%
|
|
| 10 | Very effective | 9 |
4.4%
|
| 11 | Don't know | 55 |
27%
|
| Sysmiss | 21 |