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       484            0.00          0.00
  2       486            0.00          0.00
  3       488            0.00          5.00
  4       490            0.00          9.00
  5       492           55.00         14.00
  6       494           80.00         20.00
  7       496          140.00         25.00
  8       498          185.00         32.00
  9       500          250.00         37.50
 10       502          330.00         44.00
 11       204          425.00         50.00
 12       506          530.00         60.00
 13       508          695.00         66.00
 14       510          825.00         75.00
 15       512          980.00         85.00
 16       512          980.00         85.00
 17       512          980.00         85.00
 18       512          980.00         85.00
 19       512          980.00         85.00
 20       512          980.00         85.00
