Year	constant 2015 US$
1981	117562245405.59752
1982	108997350834.2767
1983	96536806890.89624
1984	98157594048.78807
1985	100533938444.32018
1986	99309271468.51009
1987	106042714456.00018
1988	113555195506.80658
1989	108122272580.49182
1990	106987986093.67249
1991	104388289132.37157
1992	103798197769.08916
1993	94884260940.34535
1994	91762914725.23645
1995	91502498354.89783
1996	93997388072.04707
1997	94367513620.5343
1998	92656617355.36533
1999	95045173803.12321
2000	97871031256.39578
2001	100128460319.27087
2002	107104959938.84746
2003	104223759691.86482
2004	107708846354.48827
2005	113978584737.69727
2006	118696516705.06204
2007	124076265079.13335
2008	127900950639.94843
2009	125286875784.55807
2010	131093874403.3095
2011	140757145350.1053
2012	148379185775.69394
2013	159792747510.54733
2014	167491179232.94714
2015	170910221182.35596
2016	173773973416.77878
2017	177114708208.96524
2018	182638602844.93756
2019	186495952094.43347
2020	176590003981.8384
2021	185683870419.157
2022	189409507841.36865
2023	193429314190.965