Year	current US$
1989	10521662245.800177
1990	7383627608.34671
1991	67333333333.33333
1992	49152542372.881355
1993	28792491121.258244
1994	14722815188.563295
1995	17249972311.44091
1996	14359294521.61698
1997	14917891097.666378
1998	-3214837712.51932
1999	869212022.7457352
2000	4752932811.944543
2001	9386355845.04628
2002	7336523125.99681
2003	10517390103.78103
2004	14869836862.200626
2005	17741202036.087543
2006	26413192208.96888
2007	41190977076.793205
2008	53325822465.20775
2009	-37520055696.91432
2010	15091585971.575592
2011	60131355769.09954
2012	66083371209.13535
2013	30524094749.20238
2014	20050441647.782032
2015	20959127895.480053
2016	15501983992.97494
2017	25574706294.95488
2018	20942063169.489986
2019	29784827866.340176
2020	28307365706.645103
2021	64793229994.71857
2022	35190217434.95088
2023	77524005774.96951