???? ? ??????? ?????????? ????? ??? ?????? ????????????? ?? ?? ????? ??? ?????????? ??? ???????????.??????????? ? ??????? ??? ?? ????? ???? ????????, ??? ???????? ????? ??? ? ???????? ???.?????????? ????? ??????????? ???????? ?????? ??? ?? ?????????? ????????, ?? ???????? ??? ?????????? ????????5 billion people, more than 50 percent the whole world