B82A1979B82A1980B82A1981B82A1982B82A1983B82A1984B82A1985B82A1986B82A1987B82A1988B82A1989B82A1990B82A1991B82A1992B82A1993B82A1994B82A1995B82A1996B82A1997B82A1998