Year	constant 2011 international $
1990	26175.0635510218
1991	27272.5536800219
1992	28669.2855558984
1993	31307.2182627397
1994	32332.3366698784
1995	32678.0277640421
1996	31988.1593622048
1997	33623.8028961714
1998	32083.5689886617
1999	32598.2778558164
2000	34329.781030024
2001	34821.9962126205
2002	34629.1905290146
2003	36488.8818352996
2004	39142.102845214
2005	41166.2674892859
2006	44577.7967059929
2007	47452.3557103972
2008	49408.9359968991
2009	46785.2396332308
2010	49138.7821388465
2011	51453.7218674285
2012	51113.8779948908
2013	52724.55207546
2014	53885.7428050262
2015	54607.9475219376
2016	55816.1256331741
2017	58553.4375791414
2018	60220.796760647