| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 1 |
0.5%
|
| 2 | 1 |
0.5%
|
|
| 3 | 3 |
1.5%
|
|
| 4 | 4 |
2%
|
|
| 5 | 17 |
8.5%
|
|
| 6 | 11 |
5.5%
|
|
| 7 | 12 |
6%
|
|
| 8 | 14 |
7%
|
|
| 9 | 7 |
3.5%
|
|
| 10 | Very effectively | 21 |
10.5%
|
| 11 | Don't know | 109 |
54.5%
|
| Sysmiss | 57 |