|   变量滞后期  |       S  |       DE  |       URB  |       FD  |       DI  |    
|   DE  |       10  |       0.0357741  |       0.66509784  |       0.21081534  |       0.08831273  |    
|   URB  |       10  |       0.01206489  |       0.6900681  |       0.21482278  |       0.08304423  |    
|   FD  |       1O  |       0.01277358  |       0.68185672  |       0.22242106  |       0.08294864  |    
|   DI  |       10  |       0.01165725  |       0.68938441  |       0.2159619  |       0.08299644  |    
|   DE  |       20  |       0.01224589  |       0.68889552  |       0.21447044  |       0.08438815  |    
|   URB  |       20  |       0.01221159  |       0.68894917  |       0.21448116  |       0.08435808  |    
|   FD  |       20  |       0.01221345  |       0.68893737  |       0.21448826  |       0.08436091  |    
|   DI  |       20  |       0.01220956  |       0.68895456  |       0.21448459  |       0.08435129  |    
|   DE  |       30  |       0.0122124  |       0.68894572  |       0.21448002  |       0.08436186  |    
|   URB  |       30  |       0.01221235  |       0.68894583  |       0.21448005  |       0.08436178  |    
|   FD  |       30  |       0.01221235  |       0.68894581  |       0.21448005  |       0.08436179  |    
|   DI  |       30  |       0.01221234  |       0.68894585  |       0.21448005  |       0.08436176  |