Year	Total
1980	187550000
1981	151131200
1982	198734800
1983	233926000
1984	292850800
1985	275255200
1986	190960000
1987	272800000
1988	272800000
1989	282893600
1990	221581800
1991	197725440
1992	181957600
1993	259296400
1994	404385080
1995	426277280
1996	503998000
1997	531960000
1998	549692000
1999	688820000
2000	814580800
2001	886600000
2002	1213960000
2003	1200456400
2004	1232374000
2005	1232374000
2006	1232374000
2007	1232374000
2008	1233056000
2009	1295800000
2010	1295800000
2011	1235102000
2012	1727778800
2013	1727778800
2014	1718367200
2015	1606246400
2016	1577738800