2001 127 vehicles 2000 202 vehicles 1999 272 vehicles 1998 313 vehicles 1997 365 vehicles 1996 499 vehicles 1995 451 vehicles 1994 453 vehicles 1993 422 vehicles 1992 388 vehicles 1991 469 vehicles 1990 1,017 vehicles 1989 370 vehicles 1988 365 vehicles 1987 177 vehicles 1986 216 vehicles 1985 196 vehicles 1984 134 vehicles 1983 113 vehicles