Year	current US$
1960	13839416461.634512
1961	17917718230.780697
1962	18405164657.371876
1963	20208716435.75923
1964	22706879372.039017
1965	26448030696.1263
1966	28523740062.693733
1967	29011186489.284912
1968	29502694969.431015
1969	29904838271.368736
1970	32224270851.231754
1971	33564748524.357494
1972	36854150390.23351
1973	45616401999.38072
1974	48197268175.57635
1975	52220023088.21861
1976	49814181924.00904
1977	50715272660.52794
1978	41400982231.70732
1979	54737987765.21739
1980	56645039529.16667
1981	61336696047.61905
1982	67240100091.60305
1983	75130342134.09962
1984	81986338178.57143
1985	86453492251.70068
1986	80117436063.76811
1987	71848942733.18385
1988	78830830316.87242
1989	85591114645.74898
1990	95931579346.08029
1991	92140201602.78746
1992	91056260549.45055
1993	85866351838.23071
1994	109897633448.40425
1995	143933464644.38312
1996	166923748982.9117
1997	172081335595.22485
1998	176576891391.40457
1999	175749408329.05505
2000	177777960474.5012
2001	187294606797.96277
2002	195606045760.53738
2003	205028027179.29132
2004	252565262557.35757
2005	266120066748.69913
2006	292433537954.39307
2007	363772471597.8848
2008	467200306030.44763
2009	491608421109.18146
2010	567641401087.6082
2011	693054720859.5703
2012	777598962570.5742
2013	855877083223.7153
2014	905459740773.6455
2015	927735741725.1158
2016	905100386922.795
2017	918801524570.7235
2018	978621174593.4867
2019	1020116721824.2759
2020	1130756919426.4927
2021	1290382586162.9175
2022	1309261264171.0347
2023	1267010521459.7744