| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 29 |
24.6%
|
| 2 | 15 |
12.7%
|
|
| 3 | 11 |
9.3%
|
|
| 4 | 12 |
10.2%
|
|
| 5 | 19 |
16.1%
|
|
| 6 | 6 |
5.1%
|
|
| 7 | 10 |
8.5%
|
|
| 8 | 9 |
7.6%
|
|
| 9 | 4 |
3.4%
|
|
| 10 | Very effective | 3 |
2.5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 161 |