| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.1%
|
| 2 | 7 |
3%
|
|
| 3 | 19 |
8.1%
|
|
| 4 | 32 |
13.7%
|
|
| 5 | 42 |
17.9%
|
|
| 6 | 47 |
20.1%
|
|
| 7 | 32 |
13.7%
|
|
| 8 | 29 |
12.4%
|
|
| 9 | 16 |
6.8%
|
|
| 10 | Very effective | 5 |
2.1%
|
| -99 | 2 | ||
| 11 | Don't know | 123 | |
| Sysmiss | 62 |