Year Dollars 1992-01-01 26336267 1997-01-01 17265647 2002-01-01 6136194 2003-01-01 3864250 2004-01-01 9152098 2005-01-01 6129799 2006-01-01 5376337 2007-01-01 6072786 2008-01-01 6762172 2009-01-01 29054533 2010-01-01 5044050 2011-01-01 8848088 2012-01-01 2022503 2013-01-01 2876488 2014-01-01 5289898 2015-01-01 4538086 2016-01-01 3281755