| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 25 |
11.8%
|
| 2 | 7 |
3.3%
|
|
| 3 | 9 |
4.2%
|
|
| 4 | 13 |
6.1%
|
|
| 5 | 19 |
9%
|
|
| 6 | 17 |
8%
|
|
| 7 | 19 |
9%
|
|
| 8 | 18 |
8.5%
|
|
| 9 | 27 |
12.7%
|
|
| 10 | Very effective | 58 |
27.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 130 |