| Value | Category | Cases | |
|---|---|---|---|
| -99 | 93 |
31%
|
|
| 1 | Not effective at all | 23 |
7.7%
|
| 2 | 13 |
4.3%
|
|
| 3 | 17 |
5.7%
|
|
| 4 | 19 |
6.3%
|
|
| 5 | 14 |
4.7%
|
|
| 6 | 13 |
4.3%
|
|
| 7 | 7 |
2.3%
|
|
| 8 | 3 |
1%
|
|
| 9 | 13 |
4.3%
|
|
| 10 | Very effective | 33 |
11%
|
| 11 | Don't know | 52 |
17.3%
|
| Sysmiss | 75 |