Year	Total
1985	410690000000
1986	449530000000
1987	497270000000
1988	545210000000.00006
1989	584810000000
1990	621200000000
1991	677550000000
1992	753940000000
1993	811590000000
1994	927800000000
1995	1007000000000
1996	1081300000000
1997	1135500000000
1998	1167000000000
1999	1239300000000
2000	1355600000000
2001	1480800000000
2002	1654000000000
2003	1910600000000
2004	2203300000000
2005	2500300000000
2006	2865700000000
2007	3281600000000
2008	3495800000000
2009	3714600000000
2010	4207200000000
2011	4713000000000
2012	4987600000000
2013	5431600000000
2014	5649600000000
2015	5814600000000
2016	6142500000000