Year Dollars 1992-01-01 656482 1997-01-01 8434732 2002-01-01 5558130 2003-01-01 6653953 2004-01-01 5571311 2005-01-01 15914145 2006-01-01 12848959 2007-01-01 39003499 2008-01-01 41125873 2009-01-01 28568760 2010-01-01 45039707 2011-01-01 58153742 2012-01-01 49161430 2013-01-01 48016843 2014-01-01 46383949 2015-01-01 31530341 2016-01-01 9700703