Year	constant 2015 US$
1961	8315535640.1235695
1962	8830950013.553131
1963	9157562865.206152
1964	9937574991.823479
1965	10869179581.783882
1966	11603713968.638145
1967	12481572139.588543
1968	12941861981.442335
1969	12367188736.345018
1970	12874334429.590498
1971	13672410320.638712
1972	14597443056.702747
1973	15323456675.897596
1974	15645339636.912218
1975	17808149439.118923
1976	20882863365.138233
1977	23307988082.662003
1978	25555437763.29868
1979	28573122683.16835
1980	31622435619.48675
1981	33031740081.101086
1982	36018729987.077324
1983	39504092769.89666
1984	41747053099.82608
1985	44616127151.012146
1986	47345246369.84889
1987	49260417751.78097
1988	51775921700.90232
1989	54554490270.69935
1990	57060809873.91156
1991	60009538936.76795
1992	61951336061.780014
1993	63258545888.79166
1994	64958371312.54995
1995	66884519105.51398
1996	70235053198.8121
1997	74164394714.75125
1998	78865158399.20874
1999	78153723662.98865
2000	71612959000.85985
2001	88872180917.80844
2002	97716821381.72961
2003	100664945417.94548
2004	105861449014.84023
2005	110890106141.22061
2006	116744241167.98161
2007	125946899156.66298
2008	134912325308.46521
2009	140801867160.85898
2010	148724115730.52765
2011	152051305225.04727
2012	156182250981.04962
2013	161259092205.26904
2014	166938395597.6301
2015	175126010525.60648
2016	180604389627.35138
2017	189101362991.47992
2018	198607506762.1286
2019	208508397147.48126
2020	215667182257.89664
2021	222817099290.4322
2022	236472734492.30402
2023	251055038971.03995