???? ??????? ??????? ?? ????? ??? 1980 ??? ????? ???? ????? ???. ?? ??? 1981? ????? ???? ??????? ?????? ??????? ?? ????? ?????? ??? ???? ????? ?????ɡ ????? ????? ??????? ?? ?????? ?????? ??? ?????? ?? ????????? ???????? ??????? ????? ????????? ???????? ??? ?? ?????????. ?? ?? ??? 1988? ????? ???? ?????? ??????? ????? ??? ???? ???? ??????? ?????? ??????? ?????? ?????? ?? ??????? ????????. ??? ??? 1996? ??? ???? ??????? ?????? ??????? ???? ????? ?? ????? ????? ???? ??????? ?????? ??????? ?????? ???? ???????? ??????? ????????? ?? ????? ????????. ?? ????? ((????? ???????)) ?????? ???? ???????? ???????? ????? ??????? ??????ɡ ?????? ????? ??????? ?????? ?????? ?????? ??? ???????. ???? ??? 1999? ?? ????? 29 ???? ????? ?? ?? ????? ????? 4 ????? ?????? ?10 ????? ?????? ?5 ????? ??? ??????? ????? ???? ? ????? ?10 ???? ????? ??? ??????? ????? ????. ????? ??? ?? ????? ??? ???? ???? ??? ????? ??????? ???????? ??? ??????ɡ ??????? ??? ??????? ??????? ???????? ???????? ??? ??????? ???? ????? ??????? ???? ?????. ??? ??? 2001? ???? ?? ????? 597 ???? ????? ????? 333 ???? ??????? ??? ????????? ?264 ???? ??????? ??? ??????.