| Value | Category | Cases | |
|---|---|---|---|
| -99 | 5 |
1.3%
|
|
| 1 | Not effective at all | 8 |
2%
|
| 2 | 10 |
2.6%
|
|
| 3 | 11 |
2.8%
|
|
| 4 | 22 |
5.6%
|
|
| 5 | 42 |
10.7%
|
|
| 6 | 29 |
7.4%
|
|
| 7 | 34 |
8.7%
|
|
| 8 | 19 |
4.9%
|
|
| 9 | 12 |
3.1%
|
|
| 10 | Very effective | 5 |
1.3%
|
| 11 | Don't know | 194 |
49.6%
|
| Sysmiss | 16 |