Year	constant 2010 US$
1995	16112.0525416396
1996	16651.4112902108
1997	17701.0986552322
1998	18716.4156191908
1999	18346.5384121878
2000	19715.545364431
2001	20761.1028451981
2002	22149.9288914348
2003	23057.6278144221
2004	24316.388799786
2005	25565.780353459
2006	27126.0449922938
2007	28922.2749716425
2008	28668.2913620408
2009	26490.5199426447
2010	27419.6332293045
2011	27807.9609368622
2012	28927.6578431142
2013	29620.717308506
2014	29809.2652656435
2015	30325.8964081544
2016	30210.0071564111
2017	31249.3402482627
2018	32315.4346893702