Year	Total
1985	81263000000
1986	85094000000
1987	88490000000
1988	88417000000
1989	89657000000.00002
1990	87378999999.99998
1991	85990000000
1992	83166000000
1993	77889000000
1994	66777000000
1995	66738999999.99999
1996	58747000000
1997	52000000000
1998	49800000000
1999	47300000000
2000	51635000000
2001	55600000000
2002	58700000000
2003	63866000000.00001
2004	66941999999.99999
2005	67920000000
2006	71668000000
2007	76622000000
2008	80348000000
2009	78729000000
2010	82647000000
2011	86586000000
2012	90613999999.99998
2013	92616000000
2014	94567000000
2015	91645000000
2016	94490000000