Year	current US$
2003	1439521967.7722316
2004	1699716761.165851
2005	1728240043.6224656
2006	1830907425.83631
2007	2071274671.4046197
2008	2327068488.432329
2009	2329660482.157084
2010	2253010495.0591874
2011	2430582977.8166533
2012	2303885246.9997287
2013	2427589492.891421
2014	2488085898.767868
2015	2097041472.1844401
2016	2160592585.7262588
2017	2258691758.2944326
2018	2417928936.0134
2019	2362969523.5601993
2020	2435972138.831382
2021	2619167175.776863