| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
1.2%
|
| 2 | 19 |
3.4%
|
|
| 3 | 35 |
6.2%
|
|
| 4 | 50 |
8.9%
|
|
| 5 | 99 |
17.6%
|
|
| 6 | 96 |
17.1%
|
|
| 7 | 79 |
14.1%
|
|
| 8 | 90 |
16%
|
|
| 9 | 39 |
6.9%
|
|
| 10 | Very effective | 48 |
8.5%
|
| -99 | 18 | ||
| 11 | Don't know | 39 | |
| Sysmiss | 38 |