| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.2%
|
|
| 1 | Not effective at all | 12 |
1.9%
|
| 2 | 15 |
2.4%
|
|
| 3 | 34 |
5.5%
|
|
| 4 | 38 |
6.2%
|
|
| 5 | 74 |
12%
|
|
| 6 | 71 |
11.5%
|
|
| 7 | 82 |
13.3%
|
|
| 8 | 74 |
12%
|
|
| 9 | 41 |
6.7%
|
|
| 10 | Very effective | 27 |
4.4%
|
| 11 | Don't know | 147 |
23.9%
|
| Sysmiss | 8 |