Year	current US$
1960	908600000
1961	917400000
1962	1123800000
1963	1493109000
1964	2050507272.7
1965	2172077000
1966	2427190000
1967	2553447363.6
1968	2834316636.4
1969	3126291727.3
1970	3483149363.6
1971	3352955818.2
1972	4104953818.2
1973	4806215545.5
1974	6854821272.7
1975	8222389272.7
1976	7817229181.8
1977	9262011363.6
1978	8907236363.6
1979	10732566636.4
1980	13467383909
1981	16365371166.9
1982	14434190725.26
1983	14149020713.08
1984	13198132832.52
1985	13232703060.38
1986	12667021708.019997
1987	13809151571.68
1988	14302940017.95
1989	15072379888.9
1990	23094242585.3
1991	22062755915.1
1992	24850991924.000004
1993	24703107801.5
1994	25875868987.600006
1995	25669100997.2
1996	25832221194.2
1997	23567214762.23
1998	26493800381.979996
1999	23449538012.17
2000	41117635331
2001	45197526524
2002	45086618619
2003	54814587550
2004	68031890488
2005	60981373220
2006	73606906851
2007	132844937287
2008	165996067831
2009	149220750830
2010	166215859235
2011	129540557221
2012	129636029208
2013	140885994207
2014	141129528984
2015	127388350821
2016	118573653693
2017	124976757424
2018	126540063766
2019	127461300758
2020	121502770732