| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
6.1%
|
| 2 | 1 |
1.2%
|
|
| 3 | 8 |
9.8%
|
|
| 4 | 7 |
8.5%
|
|
| 5 | 8 |
9.8%
|
|
| 6 | 10 |
12.2%
|
|
| 7 | 13 |
15.9%
|
|
| 8 | 15 |
18.3%
|
|
| 9 | 10 |
12.2%
|
|
| 10 | Very effective | 5 |
6.1%
|
| -99 | 9 | ||
| 11 | Don't know | 51 | |
| Sysmiss | 18 |