var saleprice =[
[1291651254000,837,17185],
[1298159248000,1075,18354],
[1347365568000,800,28119],
[1368235900000,1249,24986],
[1369966448000,1050,31837],
[1420832491000,995.55,40596],
[1440694651000,825,43364],
[1468905030000,919,43947],
[1533935574000,2400,47084],
[1565931738000,800,59912],
[1609624014000,1800,63265],
[1610409895000,1250,64586],
]