Year	current US$
1960	22465915156.370796
1961	22021481618.256886
1962	24024435469.08107
1963	25090475374.69214
1964	27735055121.75735
1965	31841060467.125065
1966	37843916160.97445
1967	39610639572.62097
1968	47676507703.526146
1969	52382097934.772766
1970	56769377658.99185
1971	64877286800.259155
1972	78977040894.56671
1973	98380969129.56259
1974	144867315849.26566
1975	142126642364.22986
1976	172908669760.8042
1977	202691722673.05945
1978	232550849794.54135
1979	279139296110.83813
1980	319841000000
1981	343685000000.00006
1982	313363000000.00006
1983	335045000000.0001
1984	424566000000.0001
1985	433506000000.0001
1986	468228000000.00006
1987	517456000000
1988	572742000000
1989	613249000000
1990	640826000000
1991	633655000000
1992	683747000000
1993	743007000000
1994	844838000000
1995	939828000000
1996	997752000000
1997	1100512000000
1998	1151048000000
1999	1280335000000
2000	1504806000000
2001	1407191000000
2002	1428476000000
2003	1548904000000
2004	1806599000000.0002
2005	2056102000000.0002
2006	2278171000000
2007	2411758000000
2008	2589657000000
2009	1936267000000.0002
2010	2372846000000
2011	2730564000000
2012	2813720000000
2013	2805849000000
2014	2888828000000
2015	2746359000000
2016	2664071000000
2017	2853222000000
2018	3084428000000
2019	3031556000000
2020	2828770000000
2021	3442422000000
2022	3956491999999.9995
2023	3744121999999.9995