Year	constant 2010 US$
1995	16934.7163266138
1996	16918.5008024741
1997	16987.3126892101
1998	16882.7080937171
1999	15765.3529746761
2000	15492.5407258662
2001	15759.979955857
2002	15727.2121518392
2003	15838.7444618738
2004	16324.429593425
2005	16826.9564221557
2006	17322.8544792887
2007	17972.838983434
2008	18297.2328072423
2009	18331.2119197106
2010	20460.0942286403
2011	20835.9784693712
2012	21055.1048564328
2013	21426.7960488592
2014	21689.9237587207
2015	21430.403845276
2016	21467.6528762321
2017	21767.1944195899