| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1.7%
|
| 3 | 9 |
7.6%
|
|
| 4 | 12 |
10.1%
|
|
| 5 | 23 |
19.3%
|
|
| 6 | 29 |
24.4%
|
|
| 7 | 15 |
12.6%
|
|
| 8 | 14 |
11.8%
|
|
| 9 | 9 |
7.6%
|
|
| 10 | Very effective | 6 |
5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 236 |