| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
3.6%
|
| 2 | 4 |
2.9%
|
|
| 3 | 6 |
4.3%
|
|
| 4 | 5 |
3.6%
|
|
| 5 | 14 |
10.1%
|
|
| 6 | 13 |
9.4%
|
|
| 7 | 22 |
15.9%
|
|
| 8 | 20 |
14.5%
|
|
| 9 | 23 |
16.7%
|
|
| 10 | Very effective | 26 |
18.8%
|
| 11 | N/A | 0 |
0%
|
| 12 | Don’t know | 0 |
0%
|
| Sysmiss | 88 |