Year	current US$
1990	17968708273.57207
1991	15802312008.468807
1992	12841875033.895802
1993	13010001583.97289
1994	12850353060.970129
1995	13315413154.906784
1996	13876101717.44243
1997	14540527157.869898
1998	14822688303.912563
1999	15787174557.96542
2000	15434001190.137724
2001	13866839911.64237
2002	11486479566.376207
2003	10835637040.677267
2004	11867567569.588238
2005	13740726596.52573
2006	16053535300.097902
2007	20617518310.42245
2008	26790688732.533604
2009	32069733404.482124
2010	40280199977.23482
2011	50865321865.10712
2012	64405541478.36872
2013	73527060701.9748
2014	80103391522.393
2015	85736607646.5908
2016	88829120449.76762
2017	79982913887.18527
2018	69949830959.13052
2019	63254326149.096596
2020	60496721784.50801
2021	69143394403.50766
2022	78379661060.51128
2023	86005388848.57747