1995 113 vehicles 1994 106 vehicles 1993 866 vehicles 1992 904 vehicles 1991 664 vehicles 1990 775 vehicles 1989 754 vehicles 1988 513 vehicles 1987 342 vehicles 1986 238 vehicles 1985 344 vehicles 1984 300 vehicles 1983 370 vehicles 1982 343 vehicles 1981 157 vehicles