Year	constant 2010 US$
2006	6177.39792305353
2007	6562.48573847012
2008	7048.233666464
2009	6533.42945152866
2010	6635.79926569298
2011	6954.2494051301
2012	6821.46661473233
2013	7077.39462052808
2014	7150.76330634904
2015	7458.55888898234
2016	7571.06675252515
2017	8034.34096189728
2018	8347.01228127862