Year	constant 2015 US$
1990	71735986752.19606
1991	69438893522.07292
1992	68952356765.21873
1993	60887413801.977325
1994	48584888425.848145
1995	39450929402.35295
1996	36807717132.64091
1997	37175794304.23181
1998	36134872063.43623
1999	36640760271.815506
2000	37776623840.11961
2001	41516509600.649155
2002	41848641677.02108
2003	46577538186.59625
2004	52772350765.98158
2005	58418992297.83329
2006	65195595404.38196
2007	72627893280.45126
2008	77276078449.95679
2009	77662458843.21417
2010	85195717350.18979
2011	95334007714.63188
2012	105630080548.4973
2013	115031157717.27954
2014	118252030132.65302
2015	120498818705.3208
2016	122185802167.3666
2017	124140775002.04446
2018	127492575922.54532
2019	136927026542.82886
2020	135770169027.23407
2021	142215028508.4919
2022	146721175361.3667