Year	current US$
1981	60298606564.01709
1982	56836048969.23981
1983	49124850036.73505
1984	47585401146.39613
1985	48493001344.739265
1986	50265865599.46163
1987	57748250744.81886
1988	63414649888.36298
1989	62557690840.20559
1990	72515927657.57779
1991	81078861387.11885
1992	59294839742.16478
1993	61041078437.82659
1994	63123852897.5706
1995	85113037600.25905
1996	100420523406.13191
1997	109652240601.6003
1998	114990366301.22375
1999	65418706429.94584
2000	65431047605.921906
2001	66757457873.50898
2002	87329300020.56392
2003	96252949583.32101
2004	104766407916.02563
2005	123207007672.81824
2006	147033392809.33234
2007	176198761824.11832
2008	216133273463.10962
2009	210369456073.87027
2010	225514934415.56738
2011	236247325008.02002
2012	254236291806.82037
2013	271185724867.10144
2014	289205864686.4099
2015	271327253527.52383
2016	249927289008.47012
2017	258582307486.6623
2018	277853287014.2238
2019	297204988118.9648
2020	311907150962.57135
2021	328096913262.7594
2022	356156012632.592
2023	350049649837.6542