Year	Total
1970	545970000
1971	561440000
1972	559620000
1973	559110000
1974	534490000
1975	494930000
1976	490900000
1977	493040000
1978	491020000
1979	505920000
1980	501660000
1981	496410000
1982	461630000
1983	418150000
1984	453790000
1985	427900000
1986	416820000
1987	431820000
1988	443480000
1989	449740000
1990	461810000
1991	459360000
1992	463040000
1993	468310000
1994	487560000
1995	480860000
1996	487470000
1997	488720000
1998	494250000
1999	487380000
2000	495460000
2001	508160000
2002	488420000
2003	494750000
2004	480660000
2005	467600000
2006	479340000
2007	498600000
2008	521700000
2009	532710000
2010	549500000
2011	589810000
2012	620160000
2013	626440000
2014	673280000
2015	707120000
2016	690810000