Year	constant 2015 US$
1981	117557881852.8804
1982	108990724268.79828
1983	96525726188.68071
1984	98146597997.63873
1985	100521038787.1908
1986	99294613674.62138
1987	106025366964.74854
1988	113535441480.49747
1989	108100513645.49577
1990	106955655894.31729
1991	104346763723.09746
1992	103753576983.37648
1993	94841321268.23561
1994	91721377963.28905
1995	91454632554.75961
1996	93940588120.37787
1997	94290656437.63771
1998	92564056192.05972
1999	94974343952.01747
2000	97771109846.22125
2001	100032297880.03525
2002	107006517476.76741
2003	104137468443.45882
2004	107631408817.41866
2005	113891590098.39229
2006	118606791134.67915
2007	123983471347.37341
2008	127820443396.21407
2009	125215647909.46619
2010	131016559071.37054
2011	140674442727.79794
2012	148275943484.43494
2013	159703509966.86298
2014	167407869979.3977
2015	170826371790.78928
2016	173676305172.82678
2017	177015670984.77347
2018	182531750001.5352
2019	186411849412.47845
2020	176490364633.4986
2021	185572381835.72885
2022	189310792409.24298
2023	193332956454.84613