Year	constant 2010 US$
1993	3401314692.68794
1994	3640614208.07649
1995	3961474727.60076
1996	4338710834.35598
1997	4326721933.88921
1998	4562289390.56865
1999	5063753619.04583
2000	5380847969.544
2001	5633443888.80863
2002	6074956090.41019
2003	6663669851.85664
2004	7205401432.7619
2005	8225392294.44455
2006	9109755377.74728
2007	9713593673.27415
2008	10966991022.7345
2009	11154666146.4268
2010	11804859615.1747
2011	13001451682.9521
2012	13864518604.4585
2013	14867056254.95
2014	15636049907.1276
2015	16671053941.2607
2016	17893981098.6232
2017	18785308423.4355
2018	19722185113.2708