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