Year Total 1984 10150 1985 9900 1986 9776 1987 9766 1988 9734 1989 9976 1990 10470 1991 10200 1992 10130 1993 9807 1994 10410 1995 11050 1998 8 1999 26470 2000 58170 2001 76750 2002 90660