Year	current US$
1960	338601936.8307037
1961	358932935.206885
1962	404107104.94893616
1963	427690120.97482425
1964	433172683.4031607
1965	455907030.861149
1966	469658637.1558526
1967	470612021.81269735
1968	443516384.4485838
1969	415697641.1353823
1970	421634135.0713396
1971	454018762.6687832
1972	463941189.6696547
1973	570400035.9676495
1974	654623808.5420097
1975	527611748.98944485
1976	500618341.8896803
1977	668809896.7661091
1978	934741992.0758983
1979	1026891304.488038
1980	1080085603.1715894
1981	991052025.5452356
1982	893774866.78563
1983	749738813.5110525
1984	522706306.76223624
1985	529311376.59794134
1986	661265086.6038946
1987	786260385.5167545
1988	806115277.4594903
1989	742613934.0030147
1990	1034116726.5448956
1991	1037682643.9227691
1992	1122854737.007891
1993	1040262492.806297
1994	604079053.7549776
1995	707583169.8605818
1996	777727321.7136315
1997	692421230.901936
1998	936114966.854706
1999	888292282.1732124
2000	819933785.6775439
2001	983940772.7353395
2002	1150907924.521958
2003	1398211068.6244018
2004	1405342826.098308
2005	1721789309.7695634
2006	1890419517.2279308
2007	2126066091.5242918
2008	2829644942.5662723
2009	2557424927.245899
2010	2812406125.4776635
2011	2951814068.737465
2012	3175077866.333333
2013	3295996786.180991
2014	3631378202.324611
2015	3139219007.8079276
2016	3666946355.207924
2017	4006154048.3254523
2018	4823954868.031583
2019	4768094132.239839
2020	5274590327.8173
2021	5441145886.834845
2022	6381977790.3542385
2023	8041779199.615327