?????? ????? ????????? ??????? ????? ?????? ?????? ???? ?????? ??? ???? ?????? ?????? ????? ??? ??? 50%? ????? ??????? ?????????? ????? ?? ??????? ??????. ??? ????? ??????? ?????? ?????? ???? ?? ??? ?????? ????? ??? ??? 30%? ??????? ????? ????? ???? ?? ?????? ????? ????? 20%.