??? ?????? ??????? ????????? ??? ??????? 683 ????? ????? ??? 1999? ???? 126 ????? ????? ??????? ????? ?557 ????? ????? ??????? ?????.???? ????? ?????? ???????? ???????? ?????????? ??????? ?? ?????. ?? ??? 1998? ??? ??? ???????? ???????? ?? ????? ??? 1400 ???? ???. ????? ???????? ???? ???????? ??????? ?????? ???? ???????? ?? ?????? ?????. ????? ???????? ???????? ??????? ????????? ??????????? (1998) ,????? ????? ?????? ????????? (1998).