过去的10年(1999～2009年)是中国房地产行业沧桑巨变的10年:房地产开发投资从4000亿元增加到3.62万亿元,增加8倍;商品房销售面积从1.34亿平方米增加到9.37亿平方米,增加6倍;住宅销售金额从2200亿元增长到3.67万亿元,增长15倍多;全国平均住宅销售均价从1843元/平方米上升到 In the past 10 years (from 1999 to 2009), China’s real estate industry has undergone tremendous changes in the past 10 years: investment in real estate development increased from 400 billion yuan to 3.62 trillion yuan, an increase of 8 times; commercial housing sales area increased from 134 million square meters to 937 million Sq m, an increase of 6 times; residential sales increased from 220 billion yuan to 3.67 trillion yuan, an increase of 15 times more; the national average residential sales average price rose from 1843 yuan / square meter