???? ????? ??????? ????? ?? ????? ???? ???? ????? ???? ???? ??? ??? 20%???? ??? ?????? ??? ???? ????? ????? ???????? ???? ??? ???? ??????? ???? ??????? ?????? ??????? ?? ????? ??????? ?????? ????????? ??????? ?????? ??? ????????? ??????? ?????? ?????? ?? ???? ??????? ?? ???? ??? ???????.??? ???? ????? ?????? ??? ?????????? ?????? ????????? ?????? ?