Year Dollars 1992-01-01 1644309 1997-01-01 2886274 2002-01-01 2906417 2003-01-01 1457786 2004-01-01 1678477 2005-01-01 3193447 2006-01-01 6008705 2007-01-01 21024849 2008-01-01 22414413 2009-01-01 63184835 2010-01-01 19871375 2011-01-01 38617800 2012-01-01 26169589 2013-01-01 39124799 2014-01-01 49998225 2015-01-01 29110023 2016-01-01 35022009