| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 3 |
1.2%
|
| 2 | 8 |
3.2%
|
|
| 3 | 11 |
4.5%
|
|
| 4 | 20 |
8.1%
|
|
| 5 | 48 |
19.4%
|
|
| 6 | 51 |
20.6%
|
|
| 7 | 34 |
13.8%
|
|
| 8 | 40 |
16.2%
|
|
| 9 | 13 |
5.3%
|
|
| 10 | Very effectively | 19 |
7.7%
|
| 11 | Don't know | 59 |