最近更新：                                       
 11年12月                                         
                                           
 来源：                                       
 JPMorgan                                       
 PwC                                         
 The Economist Intelligence Unit                                     
 EvaluatePhama                                       
 Gartner                                         
 Samsung Economic Research Institute                                   
 ZenithOptimedia                                       
 Mortgage Bankers Association                                     
 IHS iSuppli                                       
 Point Carbon