| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
3%
|
| 2 | 7 |
3%
|
|
| 3 | 17 |
7.2%
|
|
| 4 | 11 |
4.7%
|
|
| 5 | 16 |
6.8%
|
|
| 6 | 48 |
20.3%
|
|
| 7 | 53 |
22.5%
|
|
| 8 | 46 |
19.5%
|
|
| 9 | 15 |
6.4%
|
|
| 10 | Very effective | 16 |
6.8%
|
| 11 | NA | 0 |
0%
|
| 12 | Don't know | 0 |
0%
|
| Sysmiss | 204 |