Year	current US$
1990	750200553.509327
1991	668643033.175927
1992	642871214.347503
1993	599020843.939712
1994	569639378.01067
1995	681042141.581693
1996	822128666.69616
1997	932274017.557913
1998	962267414.34044
1999	710217810.371908
2000	816525279.239113
2001	873307841.210212
2002	979021211.56237
2003	1095821874.24286
2004	1243218227.6938
2005	1179365989.63847
2006	1300006004.79068
2007	1325262125.29113
2008	1337324617.37359
2009	1294431116.7706
2010	1346035182.57733
2011	1528108255.71997
2012	1422697551.10436
2013	1502160729.19893
2014	1311812660.21508
2015	1578338231.08042
2016	1674196622.33852
2017	1771325179.84613
2018	1807315578.36521
2019	1873791440.7734
2020	1881096609.4783
2021	2114011244.46364