Year	current US$
1990	1097254620.4916563
1991	1185714285.7142856
1992	1198276569.5527287
1993	1121936494.375623
1994	1240030765.4234886
1995	1558290760.347759
1996	1601937010.9168196
1997	1692914798.2062778
1998	1891036669.9702675
1999	1772487197.6974547
2000	1952969829.0721858
2001	2084836594.2420642
2002	2226637132.641493
2003	2459315444.8226414
2004	3103200112.4753957
2005	3892154528.394115
2006	4852783637.318657
2007	6937583994.458171
2008	8780604857.871408
2009	7311605577.141802
2010	7987634132.03142
2011	8925576181.588747
2012	9119854488.89524
2013	9652152750.77837
2014	9931611837.78154
2015	8222722298.855146
2016	8047087721.003966
2017	9225424401.061464
2018	9941547464.744497
2019	11363862739.880125
2020	9522534232.861414
2021	9887790062.92554
2022	13004900268.551886
2023	15805192366.490011