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, ??????? ?
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, ?????? ????? ????? ??????? ??????
?????
. ??? ?????? ??? 13,000 ???? ???? ?????? ?????? ???????
1992
[1]
[2]
. ?????? ?????? ?????? ????? ?????? ??? ???????. ?????? ???? ???? ???? ?????? ???? ???? ????? ??????? ???????,
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. ????? ?? ??, ?????? ???? ?? ????? ????
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,
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. ???? ?????? ??????
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. ??? ???? ?-90 ??????? ???? ?????? ???
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.
????
2018
?????? ?? ?? 400 ?????? ???? ?????? ???? ???? ???? ??????
[3]
.