Year	constant 2010 US$
1978	217458451475.039
1979	233407322078.562
1980	252838355103.638
1981	275413686648.698
1982	300287135686.1
1983	329793888993.28
1984	368490008562.838
1985	411007876746.499
1986	448459797976.254
1987	499459764673.666
1988	555071944477.012
1989	596318767758.49
1990	623368441476.637
1991	673362432633.853
1992	744021878744.631
1993	825544538484.802
1994	906414730332.105
1995	986898918512.422
1996	1067287953921.08
1997	1151375812525.99
1998	1172889232289.98
1999	1252770228115.76
2000	1356987577425.49
2001	1472482555607.65
2002	1605142802223.89
2003	1739651799319.38
2004	1901744409767.56
2005	2107085550946.16
2006	2362091486195.41
2007	2700591648335.58
2008	2954522177457.17
2009	3195481631149.44
2010	3480180449000.86
2011	3788468966621.68
2012	4086043693722.47
2013	4404974444789.51
2014	4726113857553.79
2015	5088370873864.26
2016	5460295713707.03
2017	5872294125292.51
2018	6300926377333.92