| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2.6%
|
|
| 1 | Not effective at all | 5 |
2.2%
|
| 2 | 2 |
0.9%
|
|
| 3 | 10 |
4.4%
|
|
| 4 | 4 |
1.8%
|
|
| 5 | 18 |
7.9%
|
|
| 6 | 22 |
9.6%
|
|
| 7 | 21 |
9.2%
|
|
| 8 | 12 |
5.3%
|
|
| 9 | 13 |
5.7%
|
|
| 10 | Very effective | 8 |
3.5%
|
| 11 | Don't know | 107 |
46.9%
|
| Sysmiss | 9 |