Year	constant 2010 US$
1994	2617439515.02575
1995	1851131324.07256
1996	1843297875.89377
1997	2062857049.25158
1998	1956026325.61693
1999	1922756811.39087
2000	2057797003.98743
2001	2199127349.96548
2002	2600444404.2104
2003	3313186299.80177
2004	3204883974.68758
2005	3658593816.25619
2006	3796192331.62098
2007	4289499574.18325
2008	4601694176.49079
2009	3720302973.40854
2010	4196501904.80396
2011	4099983711.8896
2012	3987953329.61664
2013	3904206309.69469
2014	3865164246.52436
2015	3281524445.39845
2016	3530920303.30126
2017	4399526697.85427
2018	4879075107.86148