Year	Total
1980	2663892000
1981	2712723200
1982	3396360000
1983	3530986800
1984	3823019200
1985	7427525600
1986	7573064400
1987	7924976400
1988	7980082000
1989	8053056000
1990	8191365600
1991	8545323600
1992	8638212000
1993	8790707200
1994	8849222800
1995	9047275600
1996	9911778800
1997	10220588400
1998	10381131200
1999	10482067200
2000	10482067200
2001	10596234000
2002	10544674800
2003	10533626400
2004	10875035600
2005	10913636800
2006	11910993600
2007	13555022800
2008	23504448000
2009	28803588000
2010	40442600000
2011	40588548000
2012	40611736000
2013	40694940000
2014	40913180000
2015	41040032000
2016	41040032000