Year	constant 2015 US$
2001	1999.9172490777748
2002	2081.7084488613036
2003	2137.0790102485516
2004	2146.907550127686
2005	2237.973031575551
2006	2456.589374050691
2007	2521.088910870635
2008	2729.161931983968
2009	2907.879897321159
2010	3001.0214772879317
2011	3001.233393588768
2012	3118.0782828210595
2013	3386.357572654515
2014	3446.1653912210395
2015	3452.057967635545
2016	3406.5875468862264
2017	3475.3497698494493
2018	3213.658435526326
2019	2993.227898586197
2020	3021.965458389008
2021	3220.5464715042585
2022	2885.3464460231107