Year Dollars 2004-01-01 425721 2005-01-01 94452 2007-01-01 168726 2008-01-01 375284 2009-01-01 492343 2010-01-01 111374 2011-01-01 416172 2012-01-01 542822 2013-01-01 1233856 2014-01-01 537451 2015-01-01 1253204