18 ????? 2019 / ???? ????? / ???? ????? ??????? ?? ????? ???? ???? ?? ??? 2018? ??? ??? ????? 5.24 ??????? ???? ?????? 11.5%? ????? ???? ?????? ?????? ??? ?????? ?????? ?????? ????? ????? ??? ???????. ???? ????? ???? ????? ??????? ?? ?????? ??????? ???????? ??????? ?? 11.1% ??? 2012 ??? 14.7% ??? 2018.