| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 34 |
17.8%
|
| 2 | 23 |
12%
|
|
| 3 | 18 |
9.4%
|
|
| 4 | 21 |
11%
|
|
| 5 | 21 |
11%
|
|
| 6 | 23 |
12%
|
|
| 7 | 19 |
9.9%
|
|
| 8 | 12 |
6.3%
|
|
| 9 | 11 |
5.8%
|
|
| 10 | Very effective | 9 |
4.7%
|
| 11 | Don't know | 210 | |
| Sysmiss | 29 |