Year	current US$
1990	342305545.841647
1991	310169572.540629
1992	211962877.836042
1993	181545379.428807
1994	194111721.376511
1995	210040658.447542
1996	239150679.810547
1997	258264298.381468
1998	284094400.718407
1999	284258614.689363
2000	304130103.480625
2001	331103502.0492
2002	385216100.082236
2003	431455101.757245
2004	520219410.429792
2005	686068596.95736
2006	831995285.626829
2007	1181554204.60043
2008	1381308789.00655
2009	1054050586.09328
2010	1165973830.02789
2011	1220179234.92246
2012	1342044583.38726
2013	1417257022.69169
2014	1476179301.87502
2015	1458906888.47864
2016	1467073489.00556
2017	1550653758.60443
2018	1624464505.21846
2019	1725349889.09242
2020	1594685887.283
2021	1741070318.99864