| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 1 |
0.6%
|
| 2 | 4 |
2.6%
|
|
| 3 | 7 |
4.5%
|
|
| 4 | 15 |
9.7%
|
|
| 5 | 23 |
14.8%
|
|
| 6 | 24 |
15.5%
|
|
| 7 | 35 |
22.6%
|
|
| 8 | 29 |
18.7%
|
|
| 9 | 6 |
3.9%
|
|
| 10 | Very effectively | 11 |
7.1%
|
| 11 | Don't know | 51 | |
| Sysmiss | 16 |