Year	current US$
1960	88571428.57142857
1961	82857142.85714285
1962	91428571.42857143
1963	125714285.71428572
1964	117142857.14285715
1965	100000000
1966	71428571.42857143
1967	85714285.71428572
1968	91428571.42857143
1969	68075117.37089202
1970	41411595.24666907
1993	406842504.9460766
1994	719965851.766
1995	1073111830.137098
1996	889438538.6441622
1997	1157570060.482639
1998	974763067.8913738
1999	1426037338.3118591
2000	1821397244.680851
2001	2093243559.4546382
2002	2374299969.1600714
2003	2632863068.3588843
2004	3395176611.308916
2005	4032880210.140501
2006	4989881264.851032
2007	5643664491.955157
2008	6784981061.805963
2009	5119870858.440963
2010	6080135324.711353
2011	6938312829.370457
2012	8136084083.064716
2013	9500429495.06487
2014	10456414664.767801
2015	11140147276.50421
2016	12266568328.545324
2017	13457559503.677456
2018	15135150382.226908
2019	16549259591.884615
2020	16131785115.150024
2021	17997711354.34886
2022	20162199555.12283
2023	23241423029.285145