   From  :    To
         :   2300000   1800000   1400000   1100000    800000 
  2300000:         0       272       193       542      3673 
  1800000:       113         0        73        18        68 
  1400000:        51         0         0        58       157 
  1100000:        41         0         0         0       577 
   800000:      4474         0         0         0         0 
