| Value | Category | Cases | |
|---|---|---|---|
| -99 | 66 |
20%
|
|
| 1 | Not effective at all | 35 |
10.6%
|
| 2 | 21 |
6.4%
|
|
| 3 | 23 |
7%
|
|
| 4 | 17 |
5.2%
|
|
| 5 | 23 |
7%
|
|
| 6 | 17 |
5.2%
|
|
| 7 | 6 |
1.8%
|
|
| 8 | 20 |
6.1%
|
|
| 9 | 10 |
3%
|
|
| 10 | Very effective | 45 |
13.6%
|
| 11 | Don't know | 47 |
14.2%
|
| Sysmiss | 45 |