| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 33 |
10.2%
|
| 2 | 13 |
4%
|
|
| 3 | 16 |
4.9%
|
|
| 4 | 20 |
6.2%
|
|
| 5 | 46 |
14.2%
|
|
| 6 | 40 |
12.3%
|
|
| 7 | 40 |
12.3%
|
|
| 8 | 31 |
9.6%
|
|
| 9 | 21 |
6.5%
|
|
| 10 | Very effective | 64 |
19.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 181 |