Year	current US$
1990	90518464.4599365
1991	94916568.5025598
1992	109176920.12778
1993	116663235.523839
1994	122714087.08816
1995	132692385.834548
1996	143892413.299773
1997	152316124.339066
1998	166398136.761948
1999	177155054.92406
2000	186729809.25541
2001	195620956.431087
2002	206565809.804055
2003	222526432.903022
2004	233199940.428716
2005	245691569.991516
2006	295756903.597396
2007	309554054.334658
2008	258179052.645982
2009	217625721.799393
2010	213765255.149298
2011	224607760.862747
2012	216247539.025495
2013	239207859.852109
2014	242092744.446907
2015	246539291.68696
2016	271850472.090629
2017	270151402.315768
2018	337328986.536435
2019	342135159.311766
2020	320381696.193173
2021	359652175.627098