Year	current US$
1960	332530000
1961	550540000
1962	620540000
1963	576520000
1964	775540000
1965	769560000
1966	824320000
1967	637520000
1968	590390000
1969	469990000
1970	561230000
1971	892599913.326747
1972	1357853754.10005
1973	2284237348.73664
1974	1487021548.85159
1975	2838601812.45651
1976	2255454241.72306
1977	3414831204.02778
1978	4123747127.84954
1979	3513927204.83978
1980	3418479377.1771
1981	3601128547.68039
1982	3512530451.74625
1983	4033809297.36775
1984	3845017752.01778
1985	5793463532.51318
1986	6550567110.68707
1987	8174299039.56646
1988	8491930831.23629
1989	9559363287.51281
1990	17987938925.3247
1991	18331454948.576
1992	22624447495.4281
1993	19049956868.5883
1994	23253734408.4624
1995	24051274524.0275
1996	19107165592.0349
1997	10825179291.1575
1998	14098242618.7845
1999	15019035111.6058
2000	14862616840.8654
2001	13976873854.4908
2002	17127447181.1646
2003	19681149707.041
2004	22157717796.8418
2005	22090103214.4184
2006	24777762719.7179
2007	27044352788.822
2008	25896400628.738
2009	42859612977.9692
2010	42564953184.4839
2011	44025410140.1237
2012	45519227181.3504
2013	60494628781.6605
2014	57704375110.1092
2015	53813900259.2702
2016	54729780243.4316
2017	56951028193.5854
2018	55385715100.5195
2019	49353663819.8897
2020	50616518459.2008
2021	54696321356.5423
2022	56963266308.4922
2023	52526540191.0537