| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 12 |
3.9%
|
| 2 | 19 |
6.1%
|
|
| 3 | 32 |
10.4%
|
|
| 4 | 29 |
9.4%
|
|
| 5 | 37 |
12%
|
|
| 6 | 31 |
10%
|
|
| 7 | 26 |
8.4%
|
|
| 8 | 17 |
5.5%
|
|
| 9 | 6 |
1.9%
|
|
| 10 | Very effective | 2 |
0.6%
|
| 11 | Don't know | 98 |
31.7%
|
| Sysmiss | 59 |