Year	constant 2011 international $
1990	14216.5298976404
1991	14415.6709830086
1992	15377.3130604256
1993	15993.4303983737
1994	15448.3363262815
1995	15097.1940013843
1996	15608.9013551796
1997	17272.0949576041
1998	18360.9216606183
1999	18340.8281570606
2000	18453.1097708874
2001	18018.2413480849
2002	17687.6411169656
2003	16835.7729500781
2004	16416.5608678926
2005	17812.2799483131
2006	19086.4536945142
2007	20968.2166760999
2008	20064.3023983281
2009	19764.8070873945
2010	20365.1189331513
2011	22556.5825709346
2012	22618.0123889571
2013	23540.380506005
2014	24221.1443467475
2015	24856.5597944915
2016	25630.7102400461
2017	26415.8067041232
2018	27114.0154914524