Year Dollars 2007-01-01 233335 2008-01-01 103971 2009-01-01 98704 2010-01-01 57365 2011-01-01 97097 2012-01-01 773499 2013-01-01 417678 2014-01-01 524242 2015-01-01 518036 2016-01-01 217189