Year	constant 2011 international $
1990	29573.2751310113
1991	29692.1942489424
1992	30056.2407769827
1993	29766.2112736332
1994	30306.7557996983
1995	30836.3636800647
1996	31322.6791839652
1997	32057.2301678455
1998	33115.4356114687
1999	34307.3769736871
2000	35261.1695544363
2001	35778.7048220672
2002	35654.8631813598
2003	35795.6753055642
2004	36558.2376371046
2005	37004.6268021108
2006	37751.2802664198
2007	38425.3464678299
2008	38379.0303767544
2009	37134.7405018437
2010	37674.2717229948
2011	38436.0009206141
2012	38194.2366723933
2013	38239.963914243
2014	38396.9468560974
2015	38667.7942019224
2016	38926.3635039244
2017	39935.1059000576