| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
2.4%
|
|
| 1 | Not effective at all | 23 |
7.7%
|
| 2 | 20 |
6.7%
|
|
| 3 | 20 |
6.7%
|
|
| 4 | 27 |
9.1%
|
|
| 5 | 38 |
12.8%
|
|
| 6 | 31 |
10.4%
|
|
| 7 | 23 |
7.7%
|
|
| 8 | 19 |
6.4%
|
|
| 9 | 14 |
4.7%
|
|
| 10 | Very effective | 11 |
3.7%
|
| 11 | Don't know | 63 |
21.2%
|
| 111 | 1 |
0.3%
|
|
| Sysmiss | 10 |