| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 1 |
0.3%
|
| 2 | 1 |
0.3%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 9 |
2.9%
|
|
| 5 | 11 |
3.5%
|
|
| 6 | 16 |
5.1%
|
|
| 7 | 15 |
4.8%
|
|
| 8 | 11 |
3.5%
|
|
| 9 | 6 |
1.9%
|
|
| 10 | Very effectively | 5 |
1.6%
|
| 11 | Don't know | 235 |
75.3%
|
| Sysmiss | 56 |