| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 1 |
0.9%
|
| 2 | 2 |
1.8%
|
|
| 3 | 1 |
0.9%
|
|
| 4 | 9 |
7.9%
|
|
| 5 | 15 |
13.2%
|
|
| 6 | 20 |
17.5%
|
|
| 7 | 21 |
18.4%
|
|
| 8 | 21 |
18.4%
|
|
| 9 | 11 |
9.6%
|
|
| 10 | Very effectively | 13 |
11.4%
|
| -99 | 4 | ||
| 11 | Don't know | 58 | |
| Sysmiss | 28 |