Year	current US$
1991	620448347.4012665
1992	466818792.68237436
1993	357332553.48085314
1994	406742834.583184
1995	358607422.84222
1996	530505441.08662355
1997	699404231.7710195
1998	907369092.4557098
1999	938578824.2013065
2000	829432673.1112746
2001	900182045.2740655
2002	760125284.4576076
2003	952147980.6782086
2004	1202019335.1653175
2005	1214892989.083501
2006	1378218231.0235445
2007	1525266044.2832391
2008	1543765584.4648056
2009	1303222008.6269865
2010	1145736456.7753468
2011	1396108378.4006937
2012	1439549107.7004802
2013	1431917670.6463778
2014	1477913463.1135933
2015	1346746331.9053242
2016	979745374.2598293
2017	1037279914.1071299
2018	1293464824.7990036
2019	1353911648.5924773
2020	1187060557.115094
2021	1303947214.5421216
2022	1565661861.8924658