Year	constant 2010 US$
1991	75948.115773645
1992	77811.3869418078
1993	78716.7724807628
1994	80376.5671867742
1995	78157.8279676778
1996	78672.1007103389
1997	79960.3578133931
1998	81261.4259190109
1999	81260.0195197809
2000	82152.357040434
2001	82666.7364225142
2002	82289.9315569938
2003	81126.6509561483
2004	81583.2209998533
2005	81056.4421483818
2006	81774.1957320056
2007	82557.4480303373
2008	81905.489764864
2009	80220.922804684
2010	80810.6212219062
2011	82052.9910284533
2012	81958.3270869061
2013	81883.8710557026
2014	82104.0394111093
2015	82254.5794910296
2016	82046.0683193327
2017	82654.336281343
2018	83274.9464612477