Year Dollars 1992-01-01 1668920 1997-01-01 1657463 2002-01-01 17249431 2003-01-01 11104198 2004-01-01 4494744 2005-01-01 4705164 2006-01-01 14404622 2007-01-01 25073307 2008-01-01 25045138 2009-01-01 8748761 2010-01-01 12837444 2011-01-01 8074607 2012-01-01 9888807 2013-01-01 9012204 2014-01-01 13061725 2015-01-01 15963079 2016-01-01 10895895