Year	constant 2010 US$
1990	13988.6576013303
1991	12393.6000763997
1992	12318.2205105389
1993	12313.0403168074
1994	12666.6885060568
1995	13462.9867988646
1996	14047.8433198682
1997	13979.3629745467
1998	13946.6180704246
1999	14160.9123751952
2000	14806.5834697881
2001	15294.6292874275
2002	15577.3922047072
2003	16143.263640186
2004	16930.1897024746
2005	18011.386698787
2006	19193.7548219261
2007	20151.1781213239
2008	20520.7799619681
2009	19424.2730588798
2010	19808.0710912518
2011	20118.5878140405
2012	19929.7640673633
2013	19826.7919430607
2014	20343.6837534468
2015	21381.703080832
2016	21863.6416553161
2017	22754.7526035585
2018	23358.8729539646