| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
4.3%
|
| 2 | 13 |
5.1%
|
|
| 3 | 23 |
9.1%
|
|
| 4 | 28 |
11%
|
|
| 5 | 46 |
18.1%
|
|
| 6 | 50 |
19.7%
|
|
| 7 | 35 |
13.8%
|
|
| 8 | 26 |
10.2%
|
|
| 9 | 12 |
4.7%
|
|
| 10 | Very effective | 10 |
3.9%
|
| 11 | Don't know | 98 | |
| Sysmiss | 14 |