| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2.1%
|
| 2 | 7 |
2.4%
|
|
| 3 | 7 |
2.4%
|
|
| 4 | 16 |
5.5%
|
|
| 5 | 59 |
20.3%
|
|
| 6 | 32 |
11%
|
|
| 7 | 19 |
6.5%
|
|
| 8 | 10 |
3.4%
|
|
| 9 | 4 |
1.4%
|
|
| 10 | Very effective | 3 |
1%
|
| 11 | Don't know | 128 |
44%
|
| Sysmiss | 10 |