Year Dollars 1992-01-01 329805 1997-01-01 176823 2002-01-01 445836 2003-01-01 365464 2004-01-01 431569 2005-01-01 139920 2006-01-01 309638 2007-01-01 388152 2008-01-01 1960742 2009-01-01 336243 2010-01-01 228924 2011-01-01 257790 2012-01-01 337931 2013-01-01 391310 2014-01-01 118108 2015-01-01 94770 2016-01-01 113588