| Value | Category | Cases | |
|---|---|---|---|
| -99 | 11 |
2.9%
|
|
| 1 | Not effective at all | 7 |
1.8%
|
| 2 | 2 |
0.5%
|
|
| 3 | 4 |
1%
|
|
| 4 | 3 |
0.8%
|
|
| 5 | 27 |
7.1%
|
|
| 6 | 39 |
10.2%
|
|
| 7 | 58 |
15.2%
|
|
| 8 | 57 |
15%
|
|
| 9 | 29 |
7.6%
|
|
| 10 | Very effective | 16 |
4.2%
|
| 11 | Don't know | 128 |
33.6%
|
| Sysmiss | 3 |