Year	current US$
1960	149607647.05882353
1961	167450784.3137255
1962	187058529.4117647
1963	209509509.80392155
1964	234999607.84313726
1965	264705882.3529412
1966	299509803.92156863
1967	343823529.4117647
1968	391960784.3137255
1969	465392156.8627451
1970	509458782.43512976
1971	542590600
1972	559130400
1973	634848200
1974	662174500
1975	819788700
1976	566500000
1977	629400000
1978	704600000
1979	1006200100
1980	1200800000
1981	1274600000
1982	1446700000
1983	1594300000
1984	1876000000
1985	2140099900.0000002
1986	2288900000
1987	2530699900
1988	2651000000
1989	2930400000
1990	2993200000
1991	2932160000
1992	3026400000
1993	2963600000
1994	3121400000
1995	3882158500
1996	4421275600
1997	6179760000
1998	6635720000
1999	7557070000
2000	7936270000
2001	8118930000
2002	8696814900
2003	8717670000
2004	8913970000
2005	9654135300
2006	9949250000
2007	10386740000
2008	10448200000
2009	9829760000
2010	9860860000
2011	9834450000
2012	10441220000
2013	10098220000
2014	10537850000
2015	11177080000
2016	11189150000
2017	11691200000
2018	11780700000
2019	12394020000
2020	9425580000
2021	10862560000
2022	12467590000
2023	13626662342.5965