Year	constant 2015 US$
1990	78239088849.87172
1991	55315035817.47436
1992	42979782830.13873
1993	32148877557.099148
1994	30348540412.732555
1995	24309180871.301678
1996	20152310941.57752
1997	21663734262.450172
1998	20103945395.864517
1999	20224569068.2582
2000	25887448406.96355
2001	25499136681.076443
2002	26289609918.311893
2003	24291599564.486893
2004	27911047899.477978
2005	31288284695.27042
2006	35230608566.87449
2007	44425797402.6789
2008	39316830701.85638
2009	33144088281.616837
2010	34105266841.842915
2011	35060214313.362724
2012	43755147463.16547
2013	47168048965.0556
2014	45281327006.60136
2015	45236045679.37649
2016	44331324765.493
2017	44774638013.33289
2018	47729764122.556915
2019	54841498976.82807
2020	49905764069.01528
2021	49756046776.84431
2022	55527748202.87686