| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 7 |
2.4%
|
|
| 3 | 11 |
3.7%
|
|
| 4 | 31 |
10.5%
|
|
| 5 | 45 |
15.3%
|
|
| 6 | 52 |
17.7%
|
|
| 7 | 58 |
19.7%
|
|
| 8 | 45 |
15.3%
|
|
| 9 | 24 |
8.2%
|
|
| 10 | Very effective | 18 |
6.1%
|
| -99 | 65 | ||
| 11 | Don't know | 140 | |
| Sysmiss | 158 |