Year	constant 2011 international $
1990	27679.2709771625
1991	27203.3266932563
1992	27159.1286790098
1993	28112.4381111839
1994	28941.8804245981
1995	29523.7423379751
1996	30233.7147324208
1997	31130.059759769
1998	32284.079113272
1999	33555.440640784
2000	34532.535409354
2001	34747.6572058149
2002	35728.8895054767
2003	36307.667499195
2004	37314.2279406286
2005	37668.8379881099
2006	38060.3551125288
2007	39024.705861629
2008	39780.0395016154
2009	39939.0360979801
2010	39981.6950030138
2011	40280.8454429563
2012	41565.7313533644
2013	42200.5857574391
2014	42593.6164563444
2015	43245.6752835842
2016	43652.5109697864
2017	43755.8749863658
2018	44097.0193366974