| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
6%
|
|
| 1 | Not effective at all | 7 |
3%
|
| 2 | 5 |
2.2%
|
|
| 3 | 8 |
3.4%
|
|
| 4 | 18 |
7.8%
|
|
| 5 | 29 |
12.5%
|
|
| 6 | 28 |
12.1%
|
|
| 7 | 19 |
8.2%
|
|
| 8 | 12 |
5.2%
|
|
| 9 | 11 |
4.7%
|
|
| 10 | Very effective | 4 |
1.7%
|
| 11 | Don't know | 77 |
33.2%
|
| Sysmiss | 12 |