?? ???????? ???? ???? ?????? ?????? ????? 50% ????? ??? 2050? ??? ????? ????? ?????? ????? ??????? ?? ????? ???? ????? ???? ??? ?????? ??? ???????. ??? ????? ?? ????? ???????? ??? ???? ?????? 85% ?? ?????? ?????? ?????? ?? ????? ?????? ????? ???????? ????? ????? ?? ??? ??????. ??????? ??????????? ???? ??? ?????? ????? ??????? ?????? ??????? ???? ?????? ????? ??? ?? ???? ?? ???? ??? ?????? ??????? ?? ??????? ???? ??? ????? ????? ?????? ????? ??????? ????? ?? ???? ???? ????? ?????? ???? ???? ???? ??????. ?????????? ???? ??????? ??? ???? ????? ????? ??? ????? ???????? ?????? ???????? ?? ????????? ????? ??????? ??????? ?? ????? ???????? ??????? ??? ??????? ??? ???????. ???? ??? ????? ?????? ???????? ????? ????? ?? ???? ??????? ??????? ?????? ??????? ??????? ???????? ?????? ????? ?????? ???? ???? ????? ???? ??? ????????? ??????? ????????? ????????? ?????? ?????? ??????? ?????? ???? ???? ???????? ?? ??? ??????? ??????? ????????. ???? ????? ???? ????? ?? ???? ?????? ????? ??? ???? ??????? ??? ?????? ??????? ???? ??? ??????? ??? ????? ????? ?????? ????? ??????? ???????? ????? ????????? ???????? ?? ???? ??????? ?????? ???? ??????? ??????? ???????.