Year	current US$
1980	2728505861.6581106
1981	3187761039.333375
1982	3287840336.0953784
1983	3628805042.164559
1984	3790810479.7129183
1985	3314646401.7477727
1986	3132765171.3256626
1987	3458355359.8529634
1988	3628046131.580805
1989	3686362523.738326
1990	4497900920.50104
1991	4994683421.976088
1992	5171129927.641356
1993	5380447663.340397
1994	5321909074.923073
1995	5852426553.672826
1996	6244712128.090448
1997	6133273914.177062
1998	6178095354.786104
1999	6284399991.170626
2000	7966747325.12978
2001	8415750846.991478
2002	8864867961.01945
2003	10077169513.227497
2004	12089682733.130985
2005	14713723046.323946
2006	17146154926.995333
2007	20366230214.657707
2008	23250102238.276028
2009	22319121664.129154
2010	23537720533.60131
2011	23212673261.20753
2012	28613156266.793316
2013	31282350546.38568
2014	32157332383.805668
2015	31006860866.481842
2016	30796718521.50771
2017	31695379494.424507
2018	34496477865.63376
2019	36492106059.88417
2020	33927062989.67842
2021	36156241782.856445
2022	40801595328.119804
2023	42013980356.60463