Year	constant 2015 US$
1981	117562245405.59744
1982	108997350834.27663
1983	96536806890.89621
1984	98157594048.78804
1985	100533938444.32014
1986	99309271468.51006
1987	106042714456.00015
1988	113555195506.80658
1989	108122272580.49178
1990	106987986093.67245
1991	104388289132.37154
1992	103798197769.08914
1993	94884260940.34534
1994	91762914725.2364
1995	91502498354.89781
1996	93997388072.04704
1997	94367513620.53429
1998	92656617355.36525
1999	95045173803.12315
2000	97871031256.39572
2001	100128460319.27081
2002	107104959938.84743
2003	104223759691.86479
2004	107708846354.48819
2005	113978584737.6972
2006	118696516705.06201
2007	124076265079.1333
2008	127900950639.94843
2009	125286875784.55807
2010	131093874403.30952
2011	140757145350.1053
2012	148379185775.69397
2013	159792747510.54733
2014	167491179232.94714
2015	170910221182.35596
2016	173773973416.77887
2017	177114708208.9653
2018	182638602844.93756
2019	186495952094.43356
2020	176590003981.83853
2021	185683870419.1571
2022	189409507841.36874
2023	193429314190.9651
