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???725??(71723)????????0.4%????0.5%?L??????2016?????70.15%68%????68.64%66.63%?????
?????61????11.2%710BDI??19.1%
????????B8????35.33%??ETF520?18.5%
?????????????????
????????ˡ??Y??????????????10%????15%?????A??27.2%????10%????A???62?75%???????????26.4%??34??????
???????????????????8001000??????????????7%61A??15%??????????2017???????90000?95000??5371.12%5675.08%??2017??5.2?5.8??5577%6232%?????????
623????13.2%A???9.08%???????A??????30%-50%??50%-80%4??PPI?????????????4??5???6??PPI???????????????????
???5??????????????????13.59%26.60%3???14.30%38.43%???????
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??6367COMEX??3.7%????????????6%??ETF???1.48%
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????????????????PPP????????????????????????????????????????????????????????????????
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????????PVC???2017?5???9.5%??2018?PVC??2014???????
??????????????????????????????????????????????OPEC??????????????
??ETF????????????????????
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