??? ????? ???????? ??????????ɡ ????? ??? ??????? ??????? ??? ??????? ????? ????? ?? 290 ????? ????? ?? ??? 1990 ??? 855?1 ????? ????? ?? ??? 1999? ???? 944 ????? ????? ??????? ????? ?911 ????? ????? ??????? ?????. ???? ????? ????????? ???????? ??????? ???????? ??????? ??????? ??????? ?????? ??????? ?? ???????? ??????? ???????? ????????? ??????? ????? ??????? ?????????.

??? ??? 1989? ????? ?????? ??????? ?????? ??????? ?? ?????? 6 ????? ????? ??????? ?? ????????.?? ?????? 1996? ??? ??? ?????? ????? ??????? ???????? ???????? ??????? ????????? ???????? ??????????? ?? ????. ?? ?????? 1999? ???? ??? ?????? ???????? ?????? ?? ??????.