 4 0      2007  5   2 2                                                             4 0                                            200 (  )       4                                                                                                                                                                                                                                                                            ︾           ︽                                                                                                                                       100                                           ETS                        2007              ︾     ︽2 0 0 7            2 0 0 7        2007  5   2 2                   ︾    ︽2 0 0 7                                               ︾    ︽ 2 0 0 7       