| Value | Category | Cases | |
|---|---|---|---|
| -99 | 9 |
2.9%
|
|
| 1 | Not effective at all | 10 |
3.2%
|
| 2 | 7 |
2.3%
|
|
| 3 | 10 |
3.2%
|
|
| 4 | 18 |
5.8%
|
|
| 5 | 39 |
12.6%
|
|
| 6 | 26 |
8.4%
|
|
| 7 | 25 |
8.1%
|
|
| 8 | 27 |
8.7%
|
|
| 9 | 6 |
1.9%
|
|
| 10 | Very effective | 5 |
1.6%
|
| 11 | Don’t know | 95 |
30.7%
|
| Sysmiss | 32 |
10.4%
|