Year	Total
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
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	212600
1984	323800
1985	557200
1986	638300
1987	944600
1988	1156000
1989	1194000
1990	1181000
1991	1180000
1992	1201000
1993	1186000
1994	1208000
1995	1206000
1996	1219000
1997	1201000
1998	1199000
1999	1212000
2000	1219000
2001	1215000
2002	1200000
2003	946900
2004	1025000
2005	1190000
2006	1157000
2007	1262000
2008	1274000
2009	1326000
2010	1355000
2011	1349000