               

                             
        
                                        
                                   
     
       
                                                                                                   
     
      
                          

                                                                                                                     
                                                      
                                                                                                                                              
                                                                                                                                                 4500                                                                                                                                                                                                                                     20                                                                                        30%                    78.9% (2003                                                                                                                                                                                                          
                                                                                                                                                                                                      
                            1.860%         271             648                          2                                                                                   7.4%                40%                                                      
                                                                                                      
                                                                  