| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 4 |
2.5%
|
| 2 | 3 |
1.9%
|
|
| 3 | 4 |
2.5%
|
|
| 4 | 6 |
3.8%
|
|
| 5 | 18 |
11.4%
|
|
| 6 | 17 |
10.8%
|
|
| 7 | 14 |
8.9%
|
|
| 8 | 34 |
21.5%
|
|
| 9 | 20 |
12.7%
|
|
| 10 | Very effectively | 38 |
24.1%
|
| 11 | 50 | ||
| Sysmiss | 19 |