Year	current US$
2005	43169441811.3429
2006	48999949735.9104
2007	63182553138.4975
2008	71401899864.264
2009	49281052614.5211
2010	51235662933.5116
2011	58321821014.1444
2012	51861605180.1059
2013	52267294210.9277
2014	55370444481.2018
2015	46608217932.097
2016	54388865914.487
2017	53046424297.9831
2018	58916489587.8019
2019	60727223049.9192
2020	57035401495.7455
2021	61451135844.1279