Year	current US$
1975	30100000
1976	35700000
1977	58400000
1978	73300000
1979	123600000
1980	158100000
1981	149600000
1982	105400000
1983	133800000
1984	206500000
1985	147700000
1986	177000000
1987	164400000
1988	285900000
1989	383900000
1990	403700000
1991	418800000
1992	349700000
1993	423600000
1994	411200000
1995	256400000
1996	253900000
1997	263300000
1998	238200000
1999	181900000
2000	187630000
2001	199930000
2002	178312728.740581
2003	188327024.18893
2004	202860000
2005	235175102.946486
2006	276603560.168543
2007	425001523.689996
2008	668829223.745165
2009	632177420.456856
2010	838578283.886879
2011	955378989.90132
2012	989741456.20714
2013	1132609296.02311
2014	1335489061.50482
2015	1716193642.35792
2016	1754414043.81687
2017	2096358467.91139
2018	1941871603.75253
2019	2014328608.72871
2020	1202489703.9162722
2021	1416276296.974332
2022	1964675071.30901
2023	2253972687.158747