Year	US Dollars
2007	52295124.49376
2008	55339510.53602
2009	66391187.45439
2010	75417448.57512
2011	82081790.62994
2012	99179229.42818
2013	137977228.2385
2014	187188254.21474
2015	201960780.75947
2016	228525993.09628
2017	245192386.23404