| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
2.3%
|
|
| 1 | Not effective at all | 7 |
2.3%
|
| 2 | 7 |
2.3%
|
|
| 3 | 9 |
2.9%
|
|
| 4 | 14 |
4.5%
|
|
| 5 | 25 |
8.1%
|
|
| 6 | 33 |
10.7%
|
|
| 7 | 27 |
8.7%
|
|
| 8 | 31 |
10%
|
|
| 9 | 19 |
6.1%
|
|
| 10 | Very effective | 9 |
2.9%
|
| 11 | Don’t know | 89 |
28.8%
|
| Sysmiss | 32 |
10.4%
|