Year	current US$
1995	1383065843.10782
1996	1284907848.86241
1997	1484713173.23274
1998	1594633606.00202
1999	1593296649.99317
2000	1191848473.53035
2001	1431716216.15669
2002	1661280997.22155
2003	1988438939.99263
2004	2378672951.21859
2005	2757402871.59023
2006	3884977527.33217
2007	5190176886.00584
2008	5306273680.1716
2009	1502588005.68116
2010	964978753.901197
2011	799116673.639524
2012	-329415076.677256
2013	377085093.22575
2014	1869102513.93557
2015	1087057113.79951
2016	1542001437.95157
2017	3479888326.04043
2018	4680636585.50943
2019	4530297499.69341
2020	4374675336.45334
2021	4727351191.85171