| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
5.3%
|
| 2 | 14 |
8.2%
|
|
| 3 | 15 |
8.8%
|
|
| 4 | 15 |
8.8%
|
|
| 5 | 33 |
19.3%
|
|
| 6 | 30 |
17.5%
|
|
| 7 | 26 |
15.2%
|
|
| 8 | 13 |
7.6%
|
|
| 9 | 7 |
4.1%
|
|
| 10 | Very effective | 9 |
5.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 197 |