??? ????????? ??? ???? ?????? ???? ??????????? ??????? ?? ??? ?? ???? ??, ?? ?? ????? ?????? ????? ?? ?? ???? ???? ????? ??? ????????, ??????, ???????, ?????? ??? ????? ?????? ???? ????????, ??? ????????? ???? ???????? ???? ??? ??? ??? ???? ??? ????????? ?? ????? ???????? ?????? ????? ??, ?? ???? ???? ?? 15% ??? 30% ???? ??? ??? ????????? ?? ???? ????? ???????????, ??????????, ????????, ??????????, ??????? ???? ??? ??????? ???? ??? ????? ??????, ???????? (???? ??? '?? ???????) ?? ??? ????????? ??, ?? ???? ??? ????????? ?? 60% ??? 80% ???? ??, ?? ??? ???? ??????????? ????? ??, ??? ??? ??????? ??????? ???? ???????? ??? ?????? ????? ???