Year	current US$
1960	46650000
1961	43400000
1962	57750000
1963	65450000
1964	66800000
1965	74350000
1966	88200000
1967	117550000
1968	119650000
1969	129400000
1970	151000000
1971	125000000
1972	127999424.002592
1973	173999913.00004348
1974	271000000
1975	213000000
1976	259000000
1977	385000000
1978	754098062.8
1979	870116115.7
1980	900848310.25
1981	780940217.35
1982	551579059.45
1983	568124354.1
1984	784648678.7
1985	838158726.5
1986	720865755.45
1987	988005721.6999999
1988	1135837227.167382
1989	953122564.1034482
1990	1037012272.7626457
1991	1050542836.7220268
1992	1176539987.9954166
1993	1515513374.5645401
1994	1601320901.9122825
1995	1546829833.1595411
1996	1488062829.391892
1997	1691690844.106464
1998	1804779062.038405
1999	2038766041.8118467
2000	2032987155.1905665
2001	1989374435.6481385
2002	1906283959.0880558
2003	2080715553.7083664
2004	2631127048.8708644
2005	2695177264.7289433
2006	3094223678.29981
2007	4161454557.0015507
2008	5006581231.0970125
2009	3004943080.481183
2010	3465623362.6707454
2011	4604670198.066917
2012	4551392788.01164
2013	4025606252.283667
2014	4382756350.335762
2015	5269705071.843811
2016	5076952424.561259
2017	5742581752.592191
2018	6395303498.412399
2019	5714877577.973947
2020	4592537080.461824
2021	6819634124.735522
2022	8273292593.108991
2023	7952947215.281969