Year Total 1985 25000 1986 27200 1987 29850 1988 30920 1989 25140 1990 26610 1991 1591 1992 824 1993 837 1994 2136 1995 1858 1996 2168 1997 1908 1998 1754 1999 2136 2000 1460 2001 2160 2002 2127