?? ????? 1983? ???? ??????? ???? ???????? ?????????? ??????? ?????? ???? 10 ???????? ????? ???????? ?????? ?? ??? 1999 ?? ?????.
?? ??? 1979 ??? ??? 1990? ???? ??????? ??????? ?????? ???????? ????? ?? ????? 662 ???? ??????? ????????? ?????? ?????? 981?1 ????? ????? ???? ??????? ??????? 90 ??? ???? ???? ??? ???????? ???????? 22 ??? ?? ???? ??????? ????????.
??? ??? 1991? ???? ????? ????? ?????? ????? ?????? ??????? ?????? ??????? ???????? ?????? ?? ????????? ????????? ???? ???? ?????? 7?30 ????? ???? ?? ??? ???? ?? ???? ??????? ??????? ?????? ?????? ?????? ?????? ?????? ????????. ?????? ??????? ?? ??? ???????? ???? ?????? 5 ?????? ???? ???? ?? ???? ???????? ?????? ????? ???????? ??????? ???????? (?????? 1999).