Year	current US$
1983	9480000000
1984	9430000000
1985	6750000000
1986	8285106382.978724
1987	8825233644.859814
1988	11395428571.428572
1989	7368757783.341995
1990	11483031946.98814
1991	12742527110.644993
1992	13705657846.12403
1993	12161011111.11111
1994	13084820500
1995	13808477800
1996	15269958100
1997	15293015300
1998	15702922200
1999	12638962300
2000	13300482400
2001	12275651800
2002	9974343869.192772
2003	13177395614.838951
2004	13769497386.463919
2005	15777249624.727074
2006	16129176942.567568
2007	21427791191.178356
2008	26462268578.79674
2009	17559926036.608147
2010	30213817111.09978
2011	37104355520.73652
2012	31567304377.522507
2013	33413631489.57217
2014	35330279234.96011
2015	30669352553.986298
2016	34926979196.27596
2017	33672207049.24624
2018	23815691141.68105
2019	23814083576.078472
2020	24521654022.36746
2021	35647668834.92709
2022	41906614727.84832
2023	38816692661.79785