Year	Total
1984	1900
1985	47920
1986	52490
1987	45590
1988	25200
1989	15830
1990	17790
1991	19500
1992	27230
1993	32510
1994	37100
1995	29900
1996	37940
1997	28100
1998	38990
1999	32480
2000	24940
2001	25130
2002	34900