Year Dollars 1992-01-01 10930864 1997-01-01 16392907 2002-01-01 8222417 2003-01-01 6636508 2004-01-01 21479511 2005-01-01 25960896 2006-01-01 41569596 2007-01-01 11151840 2008-01-01 25613415 2009-01-01 43157515 2010-01-01 214736394 2011-01-01 14439630 2012-01-01 11570905 2013-01-01 13187032 2014-01-01 13004911 2015-01-01 13923738 2016-01-01 13663461