??????? ??? ?????? ???? 2?? ?? ??? ????.
20? ????(IB) ??? ??? ??????? 5? ???(?????)? ???? 2100? ? ??? 5350? ?? ?? ??? ???.
??????? 3.8~4.4%? ??? ??? 4.2%? ????? ???.
NH??????? 2012? 3? ??? ????? ??????? ????? ??????, ??????, NH???? ?? ?? ???? ???? ??.
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