???? ????? ???? ???? ?? ????? ??????? ????? ???? ????? ????? ???????? ??????? ????? ??????? ?? ???? ???? ??????? ?????? ???? 3.1% ????? ?????? ????? ???? 3.5% ??? 2012? ??? ??? ?? ???? ???????? ???? ?? ???? ????????? ????????? ???? ??????? ???? ???? ???? ?????? ??????????.