????:1????????????:??90????????

2?????

3???????????

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????????,???????,??????????????? ??:??????