Year	current US$
1960	343940282.88517886
1961	362178691.4204252
1962	391773176.52951795
1963	406387920.6167755
1964	418234072.3468462
1965	422920408.44013107
1966	433565002.2879297
1967	461327482.4179736
1968	470613262.00253737
1969	496401129.65745336
1970	475217624.2485988
1971	516506764.5390281
1972	620871749.905418
1973	733811555.5836551
1974	809853684.2667297
1975	1075060686.0342984
1976	1079319738.0876727
1977	1294542816.2320964
1978	1657930614.786605
1979	1978122591.5121264
1980	2209313073.8561053
1981	2032202010.122104
1982	2021510297.3101368
1983	1816680295.8004894
1984	1601669368.513536
1985	1880141058.0555692
1986	2443169002.974896
1987	2766126269.8546476
1988	3038067723.681772
1989	3005232824.9930577
1990	3519643389.948758
1991	3539502102.72943
1992	3715222729.9250574
1993	3574586046.2021008
1994	2100474303.4450126
1995	2676157245.6606326
1996	3027637231.8278303
1997	2834189262.718415
1998	3234713922.6761374
1999	4018223033.407089
2000	3485861094.4607844
2001	3623304605.084276
2002	4114330099.1145725
2003	5306217246.254858
2004	6199538577.752343
2005	7036866004.532203
2006	7411208827.476639
2007	8623368158.112087
2008	10877341699.392353
2009	10652640466.332867
2010	10922588939.602537
2011	12697146340.114738
2012	13571226905.423315
2013	14772850179.97908
2014	14634527514.35609
2015	12645488959.86155
2016	13611224389.090542
2017	15004723530.7262
2018	16595237699.760433
2019	16336363011.664368
2020	17226237112.731743
2021	19018031399.074543
2022	19114683661.48906
2023	21768573359.434086