Year	constant 2010 US$
1999	10695.9522911395
2000	10513.7554680609
2001	10875.39502861
2002	10773.1042848948
2003	10946.7252489197
2004	11422.3924942866
2005	11860.48113001
2006	12225.4832880643
2007	13089.9942471901
2008	13611.7993235744
2009	13785.9498771855
2010	16557.2194139155
2011	16897.1920715918
2012	17068.9162143551
2013	17487.3667643915
2014	17714.4935962539
2015	17748.5361868242
2016	17762.8336237443
2017	17904.3817142058
2018	15374.5906652212