Year	current US$
1998	568317910.610138
1999	588053163.3086017
2000	542400333.3356426
2001	589019318.8195775
2002	662481250.112417
2003	829018076.6410234
2004	975437222.5134897
2005	1013238484.4861771
2006	1115444363.317413
2007	1309054262.8994503
2008	1471029285.0458333
2009	1402926056.5501812
2010	1357200961.9359627
2011	1477728736.426912
2012	1490105440.2297049
2013	1620440602.3027213
2014	1690379649.448273
2015	1465047004.9600863
2016	1525598665.8977695
2017	1603781857.4373386
2018	1740437546.5883214
2019	1725450400.9103005
2020	1746030969.625897
2021	1990245761.4488559
2022	1861082124.8610826