Year	constant 2010 US$
1995	11948.1191916494
1996	11646.8472405221
1997	11949.9900768069
1998	13265.6078509582
1999	13980.8635052608
2000	13374.5867726674
2001	14624.5188749897
2002	14653.7304004554
2003	14585.9454183905
2004	17873.7556717358
2005	18780.4926742701
2006	16496.5315426721
2007	14781.3109735445
2008	15075.6723119533
2009	15232.512977772
2010	15524.4770248128
2011	16401.767840907
2012	18907.2527708267
2013	17589.6507702212
2014	19218.2938775684
2015	19823.5827400597
2016	19041.2285506705
2017	20925.8640431565
2018	21264.7804981336