| α | r | CPα | CPβ |
| 0.5 | 8 | 0.915 | 0.958 |
| 4 | 0.948 | 0.977 | |
| 1.0 | 8 | 0.844 | 0.942 |
| 4 | 0.920 | 0.976 | |
| 1.5 | 8 | 0.767 | 0.918 |
| 4 | 0.897 | 0.976 |