   From  :    To
         :   2300000   1800000   1400000   1100000    800000 
  2300000:         0       280       469       731     10768 
  1800000:       102         0        70        21        87 
  1400000:        57         0         0       370       112 
  1100000:       125         0         0         0       997 
   800000:     11963         0         0         0         0 
