Year	constant 2015 US$
1980	57804747252.832985
1981	62148923370.2774
1982	61231822872.556725
1983	64524110680.53892
1984	70688962205.4419
1985	78460100014.61652
1986	80556153952.79951
1987	86732839221.92192
1988	75896492015.69945
1989	66026277454.91432
1990	20135626131.74574
1991	6816352393.918762
1992	8212717267.982751
1993	8976424098.025864
1994	7798433741.7744465
1995	10280044247.787607
1996	10141782391.649645
1997	10096473224.415699
1998	9870405037.440434
1999	11496366008.622643
2000	10386258225.550259
2001	11690930905.377806
2002	12426407420.013613
2003	14309127524.39301
2004	18064313592.012703
2005	20656182210.12026
2006	23943678806.44429
2007	29358855230.315407
2008	30786880530.97345
2009	24165144088.949398
2010	24092197072.838665
2011	26408887565.23712
2012	27829341955.979122
2013	29035965509.416836
2014	30529999432.720673
2015	31975159405.491264
2016	33609181415.929203
2017	36097286135.693214
2018	38176982073.97323
2019	40171394372.589066
2020	38440823122.30542
2021	42568298729.294304
2022	48940402768.32312
2023	45871664397.549355