Year	Total
1980	1821349200
1981	1812756000
1982	1808527600
1983	2029768400
1984	2232186000
1985	2330803200
1986	2340760400
1987	2376497200
1988	2357537600
1989	2190311200
1990	2185128000
1991	2115973200
1992	2072325200
1993	2241734000
1994	2217591200
1995	2230822000
1996	2242961600
1997	2321800800
1998	2376497200
1999	2061276800
2000	2071916000
2001	2102060400
2002	2115427600
2003	2110926400
2004	2118428400
2005	2126066800
2006	2759508400
2007	2829481600
2008	2889497600
2009	2949513600
2010	3169390400
2011	3239363600
2012	3329387600
2013	3369352800
2014	3429368800
2015	3499342000
2016	3499342000