Year	constant 2010 US$
2007	2610.16990881033
2008	2694.42771999185
2009	2647.43533506153
2010	2554.30074315258
2011	2611.96275564628
2012	2532.89437989114
2013	2473.60281966635
2014	2510.05827825936
2015	2553.06566700004
2016	2627.84195886673
2017	2689.87883544562