Year	current US$
1960	385200006.864965
1961	464199994.266033
1962	403000006.67572
1963	311099994.659424
1964	266099995.225668
1965	198700006.00814798
1966	155999995.708466
1967	142699999.332428
1968	145499997.258186
1969	168200000.22649798
1970	172499996.982515
1971	169099997.52044702
1972	178719995.737076
1973	185809996.88804102
1974	202849998.980761
1975	298499997.91383696
1976	277070003.390312
1977	256819993.88337103
1978	305920000.582933
1979	336269996.680319
1980	396000000.011176
1981	357319991.21606404
1982	320770000.189543
1983	323619999.796152
1984	322519997.723401
1985	402529998.037964
1986	423059993.172064
1987	549660004.4891241
1988	463770001.217723
1989	454690006.67333597
1990	711790001.749992
1991	833919997.13704
1992	949350017.2887
1993	892859989.522025
1994	1032609992.2731501
1995	1108109998.21126
1996	1085850006.4611402
1997	810110011.950135
1998	886760001.957417
1999	815519998.118281
2000	685360002.2494789
2001	631349993.154407
2002	574569996.625185
2003	748369997.620583
2004	886739990.3535839
2005	1534259976.68505
2006	1763930011.57045
2007	1676049986.60088
2008	1450630037.7249699
2009	1001639999.15123
2010	860489998.877048
2011	1299129960.06012
2012	1358349991.55998
2013	1212349985.5995202
2014	957780019.283295
2015	631410000.562668
2016	1096800015.62834
2017	1457749981.1649299
2018	864910009.205341
2019	759549998.1045719
2020	1067809998.03543
2021	993589985.966682
2022	1292579985.1417534