Year	constant 2010 US$
2006	2355.30060726729
2007	2617.15013664518
2008	2716.79624406292
2009	2757.44277669223
2010	2830.14420592458
2011	2770.46794676559
2012	2961.67802331491
2013	3046.8735230906
2014	3263.78539135953
2015	3443.35857645454
2016	3642.50470557267
2017	3679.72898834791
2018	3731.69420450867