Year	current US$
1965	1097487460.3513916
1966	1158821037.8715491
1967	1156973797.7015357
1968	1278588046.3229542
1969	1214222510.325739
1970	1211016814.7693634
1971	1288782448.5699277
1972	1505755165.9604363
1973	1809470406.7446826
1974	1927203006.2001126
1975	2664600122.1531696
1976	2781306948.028322
1977	2831830825.9485855
1978	3345362993.041705
1979	4189879641.669185
1980	4914546655.874962
1981	4370039939.0275955
1982	4431408502.351294
1983	4042683645.5453615
1984	3898714667.508929
1985	4162587584.990842
1986	5778659773.3546
1987	6819927598.592813
1988	7052253066.686963
1989	6988250754.473318
1990	8235953868.775715
1991	8065757445.167712
1992	8717060996.913916
1993	8310886771.87108
1994	5659876605.582602
1995	6797306496.16433
1996	7204970360.125158
1997	6455233880.766318
1998	7115694297.555083
1999	7349477940.595605
2000	6804026499.550285
2001	7439694444.122176
2002	7981030672.203113
2003	10030116762.23581
2004	11634277094.013958
2005	12692311174.777895
2006	13526544838.22458
2007	16535922236.88679
2008	20404984897.97224
2009	18328717378.63959
2010	18135735196.541145
2011	20481042856.133442
2012	20667908253.838974
2013	21931897234.851913
2014	22744259816.861855
2015	20042106812.304653
2016	21132167301.51975
2017	23903560924.76321
2018	26790328366.807228
2019	26743742056.952934
2020	29104415073.46934
2021	33051578255.792614
2022	34888363203.18808
2023	36614155245.83234