Year	Total
1985	2631700000000
1986	2649100000000
1987	2742100000000
1988	2884300000000
1989	3155400000000
1990	3232800000000
1991	3270700000000
1992	3284400000000
1993	3404700000000
1994	3458500000000
1995	3567300000000
1996	3663400000000
1997	3716400000000
1998	3855800000000
1999	3936100000000
2000	4052300000000
2001	3984500000000
2002	4111800000000
2003	4138000000000
2004	4231700000000
2005	4322800000000
2006	4331000000000
2007	4431800000000
2008	4390100000000.00049
2009	4206500000000
2010	4394300000000
2011	4363399999999.99951
2012	4310600000000.00049
2013	4330300000000
2014	4363300000000
2015	4348700000000
2016	4350800000000