| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 52 |
30.2%
|
| 2 | 19 |
11%
|
|
| 3 | 21 |
12.2%
|
|
| 4 | 19 |
11%
|
|
| 5 | 15 |
8.7%
|
|
| 6 | 15 |
8.7%
|
|
| 7 | 5 |
2.9%
|
|
| 8 | 8 |
4.7%
|
|
| 9 | 8 |
4.7%
|
|
| 10 | Very effective | 10 |
5.8%
|
| 11 | Don't know | 215 | |
| Sysmiss | 43 |