SQL SERVER 2012 数据汇总，年份在左边一列，月份在顶部一行

SELECT Privotorders.*
FROM (SELECT YEAR(OrderDate) AS OrderYear, FORMAT(OrderDate,'MMMM','en-US') AS OrderMonth,ExtendedAmount FROM FactInternetSales) AS Privotorders
PIVOT (SUM(ExtendedAmount) FOR OrderMonth IN ([January],[February],[March],[April],[May],[June],[July],[August],[September],[October],[November],[December])) Privotorders