Year	current US$
1990	1798009338.2283
1991	1979157759.69373
1992	2052927976.63586
1993	2217583016.59797
1994	2302866030.48735
1995	2508772746.46401
1996	2763562035.07817
1997	2753445069.43805
1998	2854275858.26333
1999	2865900162.07309
2000	3008837184.92067
2001	3243271253.84557
2002	3374176782.68875
2003	3579754740.22201
2004	3797386354.47395
2005	3907100559.6299
2006	4014544156.86115
2007	4237697058.70117
2008	4434131382.61696
2009	4432329032.96935
2010	4890023107.72708
2011	4735853141.85719
2012	4892600581.56335
2013	5077994776.20098
2014	5043542458.51597
2015	5473589558.82859
2016	5693417574.99875
2017	5828086172.2298
2018	5930094964.45768
2019	5967587117.03685
2020	5793357870.50952
2021	6329285550.5224