Year	current US$
1990	1146739411264.1938
1991	1106419400553.905
1992	934291723830.2004
1993	987265884613.7611
1994	862173280682.6116
1995	940106110051.5828
1996	963117505945.6034
1997	1012282334220.8208
1998	952532535014.5664
1999	813639250798.2346
2000	871434833794.2465
2001	887402291944.6941
2002	1004934335381.4526
2003	1245498605304.915
2004	1604202731777.9824
2005	1992609640929.84
2006	2414710315078.3516
2007	3157964961509.9287
2008	3928549472700.446
2009	3086514012120.41
2010	3609765238915.544
2011	4359478513228.2563
2012	4564686135316.318
2013	4855283932240.51
2014	4550707425573.989
2015	3547134611580.972
2016	3441637476733.211
2017	3856988864990.995
2018	3913717362233.652
2019	4010369122629.525
2020	3843133788704.1875
2021	4425342429650.486
2022	5007277544330.553
2023	5340273070913.133