Year	current US$
1967	169676789497.30954
1968	180686233925.21765
1969	199494601341.01163
1970	213995674584.20288
1971	232517013608.7963
1972	252982300664.7908
1973	306664143564.67535
1974	400894368775.3734
1975	471191923455.85956
1976	496181792016.83075
1977	564986999119.1477
1978	663372430588.5841
1979	782212541257.1263
1980	953972256686.1041
1981	1091537100592.7871
1982	1075432502105.4161
1983	1093690645154.6666
1984	1110236520911.8982
1985	1114043686533.9807
1986	1163401917508.4592
1987	1169028467411.027
1988	1236337763259.4214
1989	1241312320617.475
1990	1448099368636.2563
1991	1564659004383.4858
1992	1727519692664.4646
1993	1911070380994.6
1994	1984033413963.142
1995	1992589112593.0112
1996	2137648905246.417
1997	2297329465124.467
1998	2300629556177.346
1999	2427084907107.833
2000	2600547542114.6797
2001	2604845863415.691
2002	2504555187075.5537
2003	2758881779991.918
2004	3124565547887.569
2005	3566510984790.332
2006	3999447817428.6133
2007	4732796677565.842
2008	5304684757004.128
2009	5286324727970.781
2010	6253288358399.926
2011	7028646123976.918
2012	7444423229319.938
2013	7681994390445.183
2014	8084912184933.07
2015	7811308317561.844
2016	7980668081448.736
2017	8525194708081.132
2018	8548936989290.037
2019	8818519986919.676
2020	8379005795615.366
2021	9520273137566.488
2022	10400420695454.709
2023	11070803296299.955