? ?????? ???? ???????? / ?????? ??? ? ??? ???? ????? ??????? ??????, ???? ??? ??????????? ???? ?? ?????????? ??????? ??????? . ??? ???????? ????? ???????? ??? ??????, ???? ???? ??????????? ?????? ????? ??? ????????.

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

??? 1970 ??? ??? ?????? ???????? ??? ???? ??? ????? . ????? ????? ???? ??? ?????? ??? ??????? .

??? 2005 ??? ??? ???????? ??? ?? ??????????? ????? ??? ??????? ???????? ??? ? ????? ??? $22.9 ??????.

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