Year	current US$
1961	159213430.2452648
1962	164271557.5620859
1963	168186297.20410672
1964	224495743.78401747
1965	255340475.01808292
1966	266533605.16557553
1967	282615310.21628356
1968	301395939.2674607
1969	279862300.0999008
1970	298105315.51855445
1971	321768915.279074
1972	375169448.2609755
1973	483223972.4732136
1974	607598675.6101968
1975	673287992.4833398
1976	716474532.5033733
1977	755618517.6589507
1978	777551568.6108855
1979	920501091.2022661
1980	1021070750.6716895
1981	1054951790.0820836
1982	1063170501.4780031
1983	1102884848.8287258
1984	1035268835.5764502
1985	957331783.2133359
1986	1116355897.842017
1987	1266951249.0063052
1988	1343051595.365079
1989	1390404297.2390459
1990	1447895783.349254
1991	2072467409.2629242
1992	2097710715.3834887
1993	1778655152.6528146
1994	1870169427.4731944
1995	2017408438.5612423
1996	2156256581.0487514
1997	2088868877.620267
1998	2058287945.992863
1999	2015584296.7566347
2000	1793301796.8567574
2001	1713838154.6988554
2002	1832908211.2085645
2003	2108847606.736874
2004	2428018693.490821
2005	3000602093.373494
2006	3845277285.927029
2007	4285412357.102553
2008	5183436944.395361
2009	4766478897.042347
2010	5559972100.896514
2011	6609314084.926443
2012	6537356580.810465
2013	7026930509.0725355
2014	6339728996.816187
2015	5986395817.554054
2016	6282235172.092338
2017	6703487754.559488
2018	7435080651.895424
2019	7798537818.923463
2020	8155048186.237891
2021	9076362253.946661
2022	9686651406.548864
2023	10443269428.281748