Year	Total
1980	397810600
1981	481532920
1982	504625440
1983	539953040
1984	549091840
1985	518320000
1986	613800000
1987	639034000
1988	582496200
1989	586520000
1990	471807600
1991	482214920
1992	468534000
1993	467170000
1994	537552400
1995	518865600
1996	524253400
1997	507271600
1998	512413880
1999	513818800
2000	494709160
2001	500315200
2002	480810000
2003	480810000
2004	493768000
2005	507408000
2006	507408000
2007	555148000
2008	572880000
2009	600160000
2010	613800000
2011	586520000
2012	572880000
2013	531960000
2014	502088400
2015	473717200
2016	473717200