                                               1993           73                                               
                                                                                                14                                           300          20       6 7                                                                                                                                                                                      30         5000                          
                                                                                                                     
                                                                         10       73                                                   400                                          4000      9000     400        
                                                                                               
                                                                                     
      2005        85                                                          
                                                                