Year	current US$
1963	221037889.7962513
1964	253509003.59283927
1965	280923089.15423214
1966	310400943.8842278
1967	324919592.1018212
1968	334275890.70897967
1969	371572985.2999343
1970	363045661.35031235
1971	427869946.8708762
1972	508677267.7324467
1973	612765375.5989894
1974	651568884.3145493
1975	1028743159.7637206
1976	961315520.6687509
1977	1302773301.8110123
1978	1511753634.835869
1979	1604981113.5735536
1980	1816885417.8646438
1981	1571835543.0225039
1982	1312639342.6600256
1983	1168115974.754786
1984	1021926628.0631716
1985	1170591309.214234
1986	1674384755.263618
1987	1929380377.8174684
1988	2178265108.706922
1989	2088152921.4703095
1990	2467051301.8396635
1991	2464389821.662053
1992	2575115838.7249856
1993	1877183004.8207004
1994	1469838874.2578235
1995	2035650543.3988426
1996	2266382596.0981536
1997	2291375941.1050596
1998	2456736184.4056478
1999	2392012875.2146792
2000	2285818881.453776
2001	2310701261.300371
2002	2620688517.7577953
2003	3254816996.9337063
2004	3533772577.6740713
2005	3579188144.8512077
2006	3703392191.4853663
2007	4252109506.8334074
2008	5138352053.779161
2009	5244151402.263474
2010	5311994770.574966
2011	6252567192.85641
2012	5970266669.966323
2013	6893286933.692544
2014	7235725391.654197
2015	6690556680.544911
2016	6892965399.931286
2017	6889285279.125749
2018	7655373328.530614
2019	7588251289.620323
2020	8067916800.7220745
2021	9203674801.218166
2022	9336864806.532284
2023	10420104197.862331