Year	current US$
2002	1477787814.8903122
2003	1691686554.6932628
2004	1552895061.633494
2005	1930134271.8425124
2006	1996430511.5026526
2007	2934602243.821491
2008	2516433516.7804265
2009	3637622477.630694
2010	4156043696.2410846
2011	4227582690.7968903
2012	4855571648.436207
2013	4595531180.000405
2014	4537457828.437982
2015	3948217043.4989004
2016	4663262627.13517
2017	4954700541.750174
2018	3979453237.531764
2019	4845363322.053383
2020	5981905980.868509
2021	4793204104.903078
2022	4887435028.248588