Year	current US$
1975	149733273169.72635
1976	166421154726.4232
1977	191970137526.32166
1978	234811418795.30978
1979	287701671172.5239
1980	344388655054.05035
1981	350720800520.4873
1982	345189520700.9169
1983	335337405554.5782
1984	346705235566.70746
1985	361441949422.7569
1986	431261075452.8967
1987	509438550948.241
1988	563553107531.6139
1989	611736026555.373
1990	744924029026.4445
1991	780059650513.8934
1992	876326627719.2853
1993	868165704969.854
1994	938523726750.2299
1995	1076442305466.9828
1996	1146696929660.0168
1997	1186335011227.2551
1998	1224192733475.7522
1999	1330252313234.2468
2000	1416278780714.95
2001	1406623699386.5625
2002	1495482458069.2236
2003	1702835954880.9812
2004	2054111482628.186
2005	2266608548246.034
2006	2546981435030.477
2007	3021297346586.505
2008	3383835015863.6436
2009	3014666456844.1714
2010	3243788333641.293
2011	3655726789627.2563
2012	3752630933327.9424
2013	3993836650762.628
2014	4266521197086.7334
2015	4062874927186.538
2016	4142007529231.8076
2017	4504121564733.6875
2018	4941810063357.479
2019	5059580499856.938
2020	4321174084356.278
2021	5133089290063.733
2022	5744149894378.489
2023	6211405194652.151