Year	current US$
1980	15990856183.030548
1981	15952495212.505165
1982	15095242168.947905
1983	14089201648.331459
1984	14793503541.004951
1985	15050580118.13077
1986	15733512671.447254
1987	18648452452.258224
1988	20332313232.819622
1989	21804833206.347775
1990	25910032023.263695
1991	25067306746.16079
1992	26875094241.669323
1993	26737355045.916397
1994	28850018918.357483
1995	37086495309.56022
1996	39308118567.09865
1997	39553430540.96004
1998	38724340576.656044
1999	41496502875.79424
2000	46054807161.82726
2001	45274420438.664536
2002	47737202675.822624
2003	55646590655.40242
2004	65610046115.856575
2005	75459271675.81163
2006	85463433537.94713
2007	99784747951.97371
2008	116149125727.07475
2009	95061791099.0104
2010	106692019499.92935
2011	136869360548.28941
2012	140140968824.27512
2013	146987069128.2895
2014	148273459923.5019
2015	128196378743.50635
2016	127919955518.3919
2017	143450163637.8341
2018	159845923270.70267
2019	162707210887.95908
2020	139834356814.0885
2021	184020677298.0694
2022	211686333530.29895
2023	220200508588.1618