| Value | Category | Cases | |
|---|---|---|---|
| -99 | 88 |
29.4%
|
|
| 1 | Not effective at all | 24 |
8%
|
| 2 | 13 |
4.3%
|
|
| 3 | 8 |
2.7%
|
|
| 4 | 12 |
4%
|
|
| 5 | 12 |
4%
|
|
| 6 | 20 |
6.7%
|
|
| 7 | 9 |
3%
|
|
| 8 | 10 |
3.3%
|
|
| 9 | 8 |
2.7%
|
|
| 10 | Very effective | 29 |
9.7%
|
| 11 | Don't know | 15 |
5%
|
| 12 | 51 |
17.1%
|
|
| Sysmiss | 76 |