| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 4 |
1.1%
|
| 2 | 4 |
1.1%
|
|
| 3 | 10 |
2.9%
|
|
| 4 | 29 |
8.3%
|
|
| 5 | 60 |
17.1%
|
|
| 6 | 68 |
19.4%
|
|
| 7 | 66 |
18.9%
|
|
| 8 | 65 |
18.6%
|
|
| 9 | 25 |
7.1%
|
|
| 10 | Very effectively | 19 |
5.4%
|
| 11 | Don't know | 50 | |
| Sysmiss | 21 |