Year Dollars 1997-01-01 150035 2003-01-01 86701 2004-01-01 76273 2006-01-01 74494 2007-01-01 77340 2008-01-01 25888 2009-01-01 74223 2010-01-01 81127 2011-01-01 91664 2012-01-01 133050 2013-01-01 358527 2014-01-01 435246 2015-01-01 174849 2016-01-01 152033