Year	US Dollars
2002	95244079770.04851
2003	110607021547.42102
2004	115470145872.261
2005	133508618157.12801
2006	149915027213.24097
2007	162984713935.17496
2008	169900710664.659
2009	170012227269.733
2010	179025380242.573
2011	69433530943.18269
2012	153823529156.68198
2013	137433808895.145
2014	108515132159.53601
2015	102577099391.17099
2016	99303829098.74339
2017	127126302774.86699