????:1???spa????:??????????

2??????????

3???sn??

4?????

5????????????

?????1?????????6??????? ??,???????,??

?

?????,??,?,1966?7???,?,??????????????1986?7??????????????,1986??6?????

1986??????????7?1987?10????????????,?;

1987?????10???????????1998?6???????????????,??,???;

1998?6?2005??9?,????????????????,???,??????????????;

2005?9????????2013?12??????,???????????????????????????????????????????,?;

2013???12??2018??11??,?????????;

2018????????11????,????,????? ?????????????:????