var saleprice =[
[1251599936000,2424,8708],
[1259553632000,2242,9030],
[1275879647000,925.99,14530],
[1292021979000,1299,13075],
[1341137846000,3995,24315],
[1348749547000,2300,28444],
[1402420817000,325,37058],
[1426355464000,1940,7934],
[1446161125000,1800,43753],
[1468730853000,4270,38310],
[1468867524000,4250,45152],
[1502841615000,1627.05,51128],
[1509888856000,4047,49567],
]