Year	current US$
1990	66754947740.9147
1991	69675907090.8385
1992	66170174644.5885
1993	53165616491.6011
1994	52172828851.0728
1995	76984278493.1202
1996	78859071627.5552
1997	77985651596.3705
1998	85322016473.8344
1999	81455733740.9227
2000	74825237641.9249
2001	76784925753.8375
2002	92100252914.879
2003	123529788298.288
2004	134547691743.366
2005	134638269320.247
2006	141372262539.861
2007	155511891792.84
2008	148293082221.859
2009	124363528295.099
2010	104109552853.421
2011	90891129982.6672
2012	78292479103.23
2013	91924376307.9357
2014	97080319208.0919
2015	103154532250.812
2016	119660794171.896
2017	132009151478.39
2018	146803394337.661
2019	152956480253.275
2020	87443006599.0803
2021	114465576137.953