Year	current US$
1995	47790728303.40062
1996	51031416199.77094
1997	55539325021.50541
1998	52389197713.45932
1999	48555841783.2062
2000	54693023960.62901
2001	57398845409.69315
2002	61845368728.7178
2003	66372218760.08975
2004	81027962073.8492
2005	92766991697.99313
2006	106517365005.4782
2007	128367731159.54437
2008	151838615119.95026
2009	146836139898.6368
2010	176172326137.9807
2011	215759217575.67664
2012	271307930150.92847
2013	320981854425.02106
2014	433899662092.4994
2015	427007572070.63806
2016	417304306018.18555
2017	448443105055.84125
2018	482952972826.03815
2019	468130345257.7358