Year	current US$
1995	4919230065.359477
1996	5024299112.801014
1997	4741493146.029228
1998	5445336167.356527
1999	5375562182.022792
2000	5842490359.6580515
2001	6566303403.151583
2002	6851683003.751777
2003	9249945335.02155
2004	11717166749.261806
2005	12943313651.150188
2006	14617057470.914097
2007	17606690345.256527
2008	19168598698.87109
2009	13567729271.39999
2010	16439733799.6167
2011	18166018258.365795
2012	17160805374.465239
2013	17308618658.996128
2014	19585928971.543854
2015	17413223433.60468
2016	16730438744.753738
2017	17168920502.667088
2018	20039960734.625088
2019	20850474702.1333
2020	19741870601.360367
2021	22809960605.17793
2022	20974876559.04094
2023	28608129656.294624