Year	current US$
1991	1218178446.6436336
1992	975563449.0656667
1993	982477633.6605117
1994	892215895.5040483
1995	1196639585.4408298
1996	1028565262.0487529
1997	1227097227.957732
1998	1537407418.8542032
1999	2784532777.481716
2000	2439330559.7877483
2001	1892822267.3490136
2002	2415601037.707772
2003	2200650451.02723
2004	2269882747.895021
2005	2249927043.3826165
2006	2276174254.340782
2007	2416413556.6167645
2008	2846382889.8018413
2009	2422861481.2688284
2010	2647048467.0848575
2011	4298957746.769599
2012	8442588636.429641
2013	9698992758.829517
2014	9644102234.551628
2015	6847613684.435836
2016	5585604690.3404455
2017	4271785575.1959486
2018	6905096693.028318
2019	6336360131.101994
2020	6381265745.339379
2021	6526933046.666157
2022	7101303411.862075