Year	constant 2010 US$
1991	48308.0430449173
1992	49451.774620356
1993	50687.3846699014
1994	52192.768038673
1995	51913.488062315
1996	50681.2725482251
1997	51010.9016243798
1998	52784.8090543232
1999	54647.2887892315
2000	55223.885629971
2001	56606.3230594159
2002	56758.5526567735
2003	56514.7434341365
2004	57279.1210505993
2005	56806.9279977338
2006	58064.9429469615
2007	59571.1846812587
2008	58558.0234912503
2009	58578.0550480913
2010	60177.8029718216
2011	60273.9278129314
2012	61207.5612163674
2013	61713.761220889
2014	61809.7842999719
2015	63356.5646444575
2016	62072.6847951894
2017	62022.251691938