Year	constant 2010 US$
1989	2330587165.3832
1990	2414032196.55299
1991	2395540447.37807
1992	2487493436.01027
1993	2554725119.17858
1994	2611611147.78144
1995	2686853905.39054
1996	2674344847.81811
1997	2873151815.18152
1998	2839345727.90612
1999	2892807920.79208
2000	2965462706.27063
2001	3146464906.49065
2002	3233553428.6762
2003	3286853245.32453
2004	3352455298.86322
2005	3490645177.85112
2006	3749175870.92042
2007	4095508397.50642
2008	4203808360.83608
2009	4291649871.65383
2010	4195819581.9582
2011	4406307297.39641
2012	4663733039.97066
2013	4899156582.3249
2014	4960029336.26696
2015	4877154382.10488
2016	5050880088.0088
2017	5105650971.76384
2018	5145569250.05237