                                                                                                                                                                                                                                         




                                  

                     1998    16.2    2008     25.2          1998    28.5  2008     58.5            2000    30    2010     33.5        2000    20.6   2012     77.5       2002    19.1  2012     38        2000    86.9  2012     98                                

                                                                      