Year	current US$
1989	129258099453.45496
1990	82406739395.15004
1991	70328977272.72728
1992	70291449052.73936
1993	81958157640.35844
1994	118192137918.16862
1995	118212919501.30058
1996	128344437568.40114
1997	133850563455.01636
1998	136355465624.37259
1999	93167519417.75143
2000	109063006532.66084
2001	92671672755.56348
2002	93251255066.57906
2003	106499114371.35963
2004	142731584458.61517
2005	183727811155.97736
2006	227322698932.16055
2007	295937696154.9168
2008	363418598000.7275
2009	306609016278.6557
2010	458561629567.9864
2011	550881172373.2671
2012	494476129977.9987
2013	479535863918.4187
2014	439309854089.67114
2015	293010558946.0952
2016	275984135252.2676
2017	316621383353.76855
2018	296910771588.6776
2019	278602377758.6399
2020	246817618010.93616
2021	335539756907.208
2022	361763424613.23364
2023	401097820129.8259