Year	current US$
1976	3299999.952
1986	3000000
1987	3000000
1988	2000000
1989	1000000
1990	51000000
1991	56000000
1992	75000000
1993	202919998.2
1994	276230011
1995	386120000
1996	488960000
1997	647720000
1998	798720000
1999	1089520000
2000	1322301000
2001	1420558146.51631
2002	1438022869.2822
2003	1633427047.615
2004	1838041770.90395
2005	2460000000
2006	2933808811.42857
2007	3341337813.39619
2008	3088633129.31
2009	2742436211.02
2010	2599027038.68
2011	2680596336.98567
2012	2476225961.80543
2013	2458803089.2207
2014	2472449389.28992
2015	2387555892.00259
2016	2612078851.84205
2017	2849068577.17312
2018	3039078508.88019
2019	3242684316.95308
2020	3343696163.52993
2021	4367441780.58814
2022	4747980446.38852
2023	5148449218.75