Year	US Dollars
2004	70825616443.1627
2005	73702238841.39038
2006	104036134946.56801
2007	126108170859.77199
2008	150417770571.19003
2009	162907033230.42203
2010	195632008233.22699
2011	232525547675.41895
2012	251732285794.14401
2013	270719449606.93405
2014	288674652504.896
2015	309585542563.43488
2016	325216021450.9389
2017	337969384527.62402