Year Dollars 1992-01-01 654379 1997-01-01 3969844 2002-01-01 6664231 2003-01-01 3121937 2004-01-01 2810388 2005-01-01 12524890 2006-01-01 15529608 2007-01-01 16102828 2008-01-01 12693635 2009-01-01 17022385 2010-01-01 60260999 2011-01-01 126312255 2012-01-01 36400840 2013-01-01 28835671 2014-01-01 38006936 2015-01-01 25267138 2016-01-01 35274317