Year	constant 2010 US$
1989	1532673780.7114
1990	1519178291.16245
1991	1572237403.74037
1992	1585895342.86762
1993	1556760689.40227
1994	1676135753.57536
1995	1838288742.20755
1996	1834079647.9648
1997	1835318151.81518
1998	1965653318.6652
1999	2015819581.9582
2000	2078570957.09571
2001	2081427356.06894
2002	2223948368.17015
2003	2290280308.0308
2004	2264471580.49138
2005	2220112284.56179
2006	2238068206.82068
2007	2169542574.25743
2008	2230352548.58819
2009	2012090502.38357
2010	2043270993.76604
2011	2176017601.76018
2012	2132746607.99413
2013	2101210121.0121
2014	1958195819.58196
2015	2005867253.39201
2016	1991228162.81628
2017	2171265933.25999
2018	2158493419.42275