Year	current US$
1960	1118900000
1961	1200000000
1962	1261300000
1963	1322300000
1964	1438900000
1965	1595600000
1966	1682600000
1967	1809800000
1968	1989900000
1969	2411900000
1970	2848800000
1971	3163500000
1972	3874400000
1973	5278000000
1974	7153000000
1975	7513400000
1976	8498400000
1977	9802300000
1978	12196000000
1979	15469800000
1980	17482200000
1981	15832300000
1982	15633600000
1983	15423300000
1984	15738100000
1985	17231000000
1986	22473100000
1987	27167500000
1988	31034458764
1989	32446519954
1990	41389767170
1991	41114658555
1992	44405409957
1993	39657647367
1994	45026373051
1995	57532316889
1996	57823787100
1997	58688271573
1998	61425725057
1999	65954494923.00001
2000	67473834942.99999
2001	70744443051
2002	78674903066
2003	97183230388
2004	118323000000
2005	125012000000
2006	136866000000
2007	163804000000
2008	181738000000
2009	137087000000
2010	152442000000
2011	177474000000
2012	166698000000
2013	175147000000
2014	178223000000
2015	152728000000
2016	152090000000
2017	168026000000
2018	184815000000
2019	178670000000
2020	169417000000