| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
1.6%
|
| 2 | 6 |
1.6%
|
|
| 3 | 14 |
3.8%
|
|
| 4 | 32 |
8.6%
|
|
| 5 | 46 |
12.3%
|
|
| 6 | 46 |
12.3%
|
|
| 7 | 64 |
17.2%
|
|
| 8 | 73 |
19.6%
|
|
| 9 | 45 |
12.1%
|
|
| 10 | Very effective | 41 |
11%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 102 |