Year Total 1984 4185 1985 4467 1986 3694 1987 4057 1988 3254 1989 3000 1990 3647 1991 3788 1992 3851 1993 2941 1994 2560 1995 2608 1996 2565 1997 2330 1998 2416 1999 2236 2000 2463 2001 2022 2002 2271