???????? ???? 250-450 ?????? ???? ???????, ?????? ?????????????? ???????. ???????? ? ????????????? ??????????? ???? ?????? ????? ???? ???????? ?????????????? ????? ??????? ?????? ????? ??????. ???? ???? ???????? ???????? ??????????? ? ???? ???????? ?????? ????? ??? ?????????? ???????????. ????????? ???????? ?????? ?????? ????? ??????? ????? ???????? ??????? ???? ??? ?????????. ???? ???? ???????? ??????????, ?? ???? ???? ???????.

???????????? ???? ????? ????? ?????????? ???????? ??????? ????? ???? ???????? ??? ????????? ???? ?????????? ???????? ??????. ??????, ?????? ?????????? ?????.

??? ?????? ????? ???????????? ????? ??? ????????? ???? 40% ???? ?????? ????? ????????????? ????? ???????. ???????? ?????? ???? ??????????? ?????? ???????????? ???? ?????? ????? ???????; ???????? ????? ????????? ???? ??? ????????????? ????????????, ??? ??????? ???? ???????? ????? ???????. ??? ????? ?????? ??????????? ????? ???? ??????? ???????? ?????, ??????? ??? ????????? ????? ?????? ???? ??????? ???? ??? ?????????.