??? ?
?
714??????2017???PPP??80?3168.43?
?34???42.5%?24?8?54?2??2??1
??3??????PPP??
?????????????????????PPP???????????
2015?PPP????PPP?281?3500?p??????????????????78??????????????????????BOTt?????????1520??
?5?3??2?????????43PPP???
???