Year	constant 2011 international $
1992	11632.7452578559
1993	11808.7592663138
1994	12492.232110929
1995	13183.5792114244
1996	14044.6526477464
1997	14869.3393686783
1998	15445.1403959532
1999	15397.7452264693
2000	15605.1961129724
2001	16152.2710836105
2002	16888.9431922391
2003	17815.829837356
2004	18756.5539505275
2005	20020.8375943888
2006	21712.1783648146
2007	24049.9833717541
2008	25382.1684009197
2009	23973.8413853129
2010	25159.0775487579
2011	25835.0047572051
2012	26218.4716043616
2013	26580.7178548938
2014	27285.284673711
2015	28397.4107219706
2016	29247.215757852
2017	30132.9204821976
2018	31326.2953498622