| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.5%
|
|
| 1 | Not effective at all | 7 |
3.3%
|
| 2 | 8 |
3.8%
|
|
| 3 | 2 |
1%
|
|
| 4 | 17 |
8.1%
|
|
| 5 | 22 |
10.5%
|
|
| 6 | 34 |
16.3%
|
|
| 7 | 37 |
17.7%
|
|
| 8 | 21 |
10%
|
|
| 9 | 13 |
6.2%
|
|
| 10 | Very effective | 4 |
1.9%
|
| 11 | N/A | 8 |
3.8%
|
| 12 | Don't know | 35 |
16.7%
|
| Sysmiss | 16 |