var saleprice =[
[1268597676000,2850,9416],
[1281578741000,1200,15566],
[1284565231000,2350,16051],
[1342385586000,1566.26,27514],
[1356572034000,2050,29666],
[1394082056000,1500,35494],
[1401105460000,2251.28,36030],
[1436986090000,1375,42912],
[1447296349000,1400,43782],
[1452262543000,1700,43955],
[1461643366000,1400,30945],
[1604349618000,2596.73,63090],
]