| Variable | TC | TD | TR | TT |
| TC | 1.0000 | 0.9965 [3841.219] (0.0000) | 0.9969 [4247.387] (0.0000) | 0.6928 [35.376] (0.0000) |
| TD | 0.9965 [3841.219] (0.0000) | 1.0000 | 0.9986 [9622.708] (0.0000) | 0.6569 [30.681] (0.0000) |
| TR | 0.9969 [4247.387] (0.0000) | 0.9986 [9622.708] (0.0000) | 1.0000 | 0.6505 [29.947] (0.0000) |
| TT | 0.6928 [35.376] (0.0000) | 0.6569 [30.681] (0.0000) | 0.6505 [29.947] (0.0000) | 1.0000 |