Year	Total
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	337500
1985	457000
1986	756900
1987	530300
1988	902200
1989	954300
1990	726500
1991	786200
1992	798600
1993	623800
1994	833800
1995	971700
1996	1012000
1997	1087000
1998	1169000
1999	1104000
2000	1119000
2001	921700
2002	1031000
2003	1089000
2004	1149000
2005	971000
2006	862100
2007	973100
2008	1118000
2009	1101000
2010	1040000