| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 5 |
1.7%
|
|
| 3 | 12 |
4.2%
|
|
| 4 | 13 |
4.5%
|
|
| 5 | 24 |
8.4%
|
|
| 6 | 25 |
8.7%
|
|
| 7 | 27 |
9.4%
|
|
| 8 | 16 |
5.6%
|
|
| 9 | 7 |
2.4%
|
|
| 10 | Very effective | 1 |
0.3%
|
| 11 | Don't know | 154 |
53.7%
|
| Sysmiss | 15 |