Year	constant 2011 international $
1990	42700.4213941858
1991	47530.9753126813
1992	47967.7656701996
1993	46033.4838135719
1994	45144.0630543122
1995	44209.913268228
1996	44434.1139420837
1997	44060.4441731276
1998	44473.2625046265
1999	41928.0744849456
2000	43280.8661298197
2001	41670.3138555545
2002	39376.3096158822
2003	42532.5492262183
2004	44575.5780367379
2005	45709.5738697152
2006	45675.9217969676
2007	45251.9436074814
2008	46772.7254741008
2009	44533.5677705202
2010	45428.210255006
2011	48473.7092080944
2012	49541.4178120549
2013	49359.4928372705
2014	49731.779296181
2015	50467.0001155844
2016	50163.6368750331
2017	48803.9605894681
2018	48995.6080397783