Year	current US$
1995	1627471023.6448896
1996	1877826289.3081505
1997	1852496552.1000204
1998	2085375811.4937088
1999	2147341770.021869
2000	2135953661.3562202
2001	2111397337.90866
2002	2451557001.858625
2003	2681376539.277502
2004	3294361158.725763
2005	4261604300.39422
2006	5593987098.357741
2007	6114566306.831536
2008	6370179236.827244
2009	6250995501.284498
2010	6356552322.590882
2011	7055708359.309713
2012	6595385764.327611
2013	6822411857.42425
2014	7590009671.868653
2015	7618330987.528426
2016	7553533053.128706
2017	7275617208.417568
2018	7685501336.097717
2019	7970358585.082589