| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 2 |
1.7%
|
| 2 | 3 |
2.5%
|
|
| 3 | 4 |
3.3%
|
|
| 4 | 3 |
2.5%
|
|
| 5 | 10 |
8.3%
|
|
| 6 | 12 |
9.9%
|
|
| 7 | 16 |
13.2%
|
|
| 8 | 14 |
11.6%
|
|
| 9 | 11 |
9.1%
|
|
| 10 | Very effectively | 12 |
9.9%
|
| 11 | Don't know | 34 |
28.1%
|