|   opium  |    ||||||
|   period  |       opium  |       tea  |       silk  |       inflow  |       silver-copper ratio  |       rice price  |    
|   0  |       0  |       0  |       0  |       0  |       0  |       0  |    
|   1  |       1.000  |       0.020  |       0.182  |       0.003  |       0.008  |       0.000  |    
|   2  |       0.962  |       0.051  |       0.341  |       0.006  |       0.011  |       0.064  |    
|   3  |       0.920  |       0.082  |       0.392  |       0.008  |       0.009  |       0.123  |    
|   4  |       0.886  |       0.108  |       0.413  |       0.008  |       0.024  |       0.162  |    
|   5  |       0.858  |       0.132  |       0.422  |       0.008  |       0.049  |       0.187  |    
|   6  |       0.835  |       0.151  |       0.426  |       0.008  |       0.076  |       0.204  |    
|   7  |       0.815  |       0.168  |       0.427  |       0.008  |       0.102  |       0.217  |    
|   8  |       0.796  |       0.182  |       0.427  |       0.008  |       0.126  |       0.225  |    
|   9  |       0.778  |       0.195  |       0.425  |       0.007  |       0.146  |       0.232  |    
|   10  |       0.760  |       0.206  |       0.422  |       0.007  |       0.163  |       0.237  |    
|   tea  |    ||||||
|   period  |       opium  |       tea  |       silk  |       inflow  |       silver-copper ratio  |       rice price  |    
|   0  |       0  |       0  |       0  |       0  |       0  |       0  |    
|   1  |       0.000  |       0.980  |       0.015  |       0.051  |       0.031  |       0.027  |    
|   2  |       0.013  |       0.939  |       0.054  |       0.054  |       0.038  |       0.022  |    
|   3  |       0.032  |       0.901  |       0.077  |       0.056  |       0.036  |       0.027  |    
|   4  |       0.052  |       0.867  |       0.093  |       0.057  |       0.032  |       0.034  |    
|   5  |       0.070  |       0.837  |       0.106  |       0.058  |       0.027  |       0.039  |    
|   6  |       0.086  |       0.810  |       0.116  |       0.059  |       0.022  |       0.044  |    
|   7  |       0.101  |       0.787  |       0.124  |       0.059  |       0.019  |       0.048  |    
|   8  |       0.115  |       0.766  |       0.132  |       0.059  |       0.016  |       0.051  |    
|   9  |       0.128  |       0.748  |       0.138  |       0.060  |       0.014  |       0.054  |    
|   10  |       0.141  |       0.731  |       0.144  |       0.060  |       0.012  |       0.056  |    
|   silk  |    ||||||
|   period  |       opium  |       tea  |       silk  |       inflow  |       silver-copper ratio  |       rice price  |    
|   0  |       0  |       0  |       0  |       0  |       0  |       0  |    
|   1  |       0.000  |       0.000  |       0.803  |       0.060  |       0.014  |       0.026  |    
|   2  |       0.007  |       0.007  |       0.540  |       0.056  |       0.075  |       0.082  |    
|   3  |       0.009  |       0.014  |       0.432  |       0.055  |       0.123  |       0.122  |    
|   4  |       0.009  |       0.019  |       0.376  |       0.053  |       0.156  |       0.149  |    
|   5  |       0.008  |       0.023  |       0.342  |       0.053  |       0.176  |       0.167  |    
|   6  |       0.008  |       0.026  |       0.319  |       0.052  |       0.187  |       0.181  |    
|   7  |       0.008  |       0.029  |       0.301  |       0.051  |       0.193  |       0.191  |