| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 3 |
1%
|
|
| 3 | 7 |
2.3%
|
|
| 4 | 24 |
8.1%
|
|
| 5 | 34 |
11.4%
|
|
| 6 | 59 |
19.8%
|
|
| 7 | 61 |
20.5%
|
|
| 8 | 50 |
16.8%
|
|
| 9 | 31 |
10.4%
|
|
| 10 | Very effective | 26 |
8.7%
|
| -99 | 2 | ||
| 11 | Don't know | 65 | |
| Sysmiss | 56 |