| Value | Category | Cases | |
|---|---|---|---|
| -99 | 90 |
30.1%
|
|
| 1 | Not effective at all | 16 |
5.4%
|
| 2 | 9 |
3%
|
|
| 3 | 15 |
5%
|
|
| 4 | 19 |
6.4%
|
|
| 5 | 22 |
7.4%
|
|
| 6 | 11 |
3.7%
|
|
| 7 | 7 |
2.3%
|
|
| 8 | 6 |
2%
|
|
| 9 | 8 |
2.7%
|
|
| 10 | Very effective | 27 |
9%
|
| 11 | Don't know | 69 |
23.1%
|
| Sysmiss | 76 |