Year	current US$
1960	1033200000
1961	1064300000
1962	1131700000
1963	1248599900
1964	1282100000
1965	1319699900
1966	1374500000
1967	1434100000
1968	1579100000
1969	1679699900
1970	1865800000
1971	1942900000
1972	2055699999.9999998
1973	2523300100
1974	3113499900
1975	3579900000
1976	4321300200
1977	5454200200
1978	6053100200
1979	6905300200
1980	7834600000
1981	8521800300.000001
1982	8603399700
1983	8937300400
1984	9263400100
1985	9551552086.956522
1986	7017563515.981735
1987	6905099840
1988	7665302824.427481
1989	8231324360.795455
1990	7454495012.882997
1991	9303334738.550135
1992	10299782405.62562
1993	11281616516.98391
1994	12853233333.350721
1995	14496304426.393143
1996	15444935612.030472
1997	17551326219.96471
1998	19211791989.86613
1999	18113912244.593994
2000	19079327925.655006
2001	18320789484.835262
2002	20125833974.71138
2003	21258490637.08144
2004	23167197881.93438
2005	26298392089.331543
2006	29063849606.800594
2007	32725151264.696407
2008	37869720191.51252
2009	36396848186.405655
2010	39642878334.46743
2011	45572706218.214615
2012	48568929273.303925
2013	51760446244.495544
2014	56335052823.67979
2015	60699664551.00482
2016	64628103061.90696
2017	70152653689.69449
2018	71826149778.59909
2019	75768260973.73186
2020	76311430186.55339
2021	83916535994.83243
2022	93005944379.13933
2023	100245819854.44331