var saleprice =[
[1263147850000,1500,10833],
[1282952193000,1157.93,16009],
[1291495426000,1963.3,17323],
[1294788149000,1590,17963],
[1334333464000,1568.7,26120],
[1428946719000,1565.19,41821],
[1464129503000,1400,44639],
[1535809650000,1300.75,55907],
[1536179193000,1955.3,56121],
]