| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
3%
|
|
| 1 | Not effective at all | 4 |
1.7%
|
| 2 | 1 |
0.4%
|
|
| 3 | 6 |
2.6%
|
|
| 4 | 5 |
2.1%
|
|
| 5 | 6 |
2.6%
|
|
| 6 | 12 |
5.2%
|
|
| 7 | 15 |
6.4%
|
|
| 8 | 16 |
6.9%
|
|
| 9 | 8 |
3.4%
|
|
| 10 | Very effective | 4 |
1.7%
|
| 11 | 149 |
63.9%
|
|
| Sysmiss | 27 |