交易详情（在互联网上找到的购买记录）。最新的在前。
价格: $1700.0
Date: 2014-06-01
价格: $1900.0
Date: 2012-01-29
价格: $2200.0
Date: 2011-05-29
价格: $2526.0
Date: 2014-06-13
价格: $1762.0
Date: 2014-06-13
价格: $1879.0
Date: 2014-12-16
价格: $5614.0
Date: 2012-04-19
价格: $1402.0
Date: 2012-10-24
