name of reservoire  Kattakergan if in the end You see the same digits this mean only repeating of last observation 
num  level(m) volume(mln.m^3) area (Th.m^2)  
  1       204            0.00          0.00
  2       206            1.87          0.62
  3       210            3.75         12.00
  4       212            5.26         21.08
  5       214            6.50         32.88
  6       216            7.43         46.80
  7       218            8.42         62.68
  8       220            9.21         80.34
  9       222            9.98         99.38
 10       224           10.82        120.05
 11       226           11.89        142.86
 12       228           12.92        167.61
 13       230           13.60        194.24
 14       232           14.28        222.11
 15       234           14.99        251.41
 16       236           15.55        281.89
 17       237           16.26        305.76
 18       238           16.49        313.87
 19       238           16.49        313.87
 20       238           16.49        313.87
