Year	current US$
2001	61087656609.938736
2002	67397163131.3819
2003	72834474935.33015
2004	89820739523.48537
2005	101764918093.94147
2006	124444700830.49695
2007	155001863144.9966
2008	184183067283.86658
2009	132573846752.89313
2010	122407762722.94078
2011	134648842777.3996
2012	120397631640.57182
2013	132394564084.41116
2014	146219333369.6392
2015	126824783989.10825
2016	129233917685.50035
2017	143857529503.0633
2018	161715988645.33698
2019	163818997113.68277
2020	140385732171.5453