Year	constant 2010 US$
1995	3593274509.93392
1996	3778608613.62236
1997	3981189386.19964
1998	4142537097.76609
1999	4620525505.11357
2000	5057726594.68495
2001	5455593981.10504
2002	5764126728.44165
2003	6291835271.73183
2004	6925717925.18369
2005	7796209335.57056
2006	8643644489.59336
2007	9595929741.47357
2008	10167849355.8592
2009	10142329538.8659
2010	10727606651.3343
2011	11461195809.4452
2012	12215954187.5251
2013	13254608297.7023
2014	14061264659.2106
2015	14895315095.2746
2016	15928372237.6488
2017	17022413686.9181
2018	18184335141.0771