Year	current US$
1960	40100000
1961	41100000
1962	39000000
1963	50700000
1964	91400000
1965	113400000
1966	120000000
1967	116100000
1968	163965000
1969	175111000
1970	171919000
1971	246561000
1972	161941000
1973	162536000
1974	213054000
1975	196642000
1976	160276000
1977	246876000
1978	194461000
1979	175352000
1980	219243000
1981	328723774.8
1982	333201622.5
1983	324302073.8
1984	289706213.2
1985	284722826.1
1986	358516581.40000004
1987	512564867.29999995
1988	472697236.3
1989	459788430.8
1990	581501477.9000001
1991	401700408.40000004
1992	398045428.59999996
1993	460731254.20000005
1994	622017352.9
1995	872058202.9
1996	838001433.5
1997	810705055.6
1998	855992499.2
1999	811969075.4
2000	957554362
2001	1006207145
2002	1029496611
2003	1374988079
2004	1726234201
2005	2054001565
2006	2557288281
2007	3495039681
2008	4525790008
2009	4257597050.9999995
2010	4664338482
2011	5630874936
2012	6026628711
2013	5817510225
2014	6073527797
2015	5528117123
2016	4830091664
2017	5665812526
2018	6822006361
2019	7487661917
2020	8534435614