| Value | Category | Cases | |
|---|---|---|---|
| -99 | 80 |
27%
|
|
| 1 | Not effective at all | 24 |
8.1%
|
| 2 | 11 |
3.7%
|
|
| 3 | 11 |
3.7%
|
|
| 4 | 16 |
5.4%
|
|
| 5 | 21 |
7.1%
|
|
| 6 | 16 |
5.4%
|
|
| 7 | 5 |
1.7%
|
|
| 8 | 7 |
2.4%
|
|
| 9 | 7 |
2.4%
|
|
| 10 | Very effective | 29 |
9.8%
|
| 11 | Don't know | 14 |
4.7%
|
| 12 | 55 |
18.6%
|
|
| Sysmiss | 79 |