Year	constant 2011 international $
1992	17803.0014558155
1993	17759.2826109385
1994	18272.0329472474
2004	23058.8142640622
2005	24572.0827611832
2006	25777.3324599728
2007	26957.5829116599
2008	27440.9096207224
2009	25796.4391566597
2010	26237.0306160567
2011	26616.6128163717
2012	26761.1529543021
2013	26672.1416531405
2014	27119.1582565136
2015	28498.3038611111
2016	29210.8486868693
2017	30529.6109580018