Year Dollars 1992-01-01 866039 1997-01-01 7860670 2002-01-01 8428947 2003-01-01 16127558 2004-01-01 20527572 2005-01-01 32609597 2006-01-01 27519415 2007-01-01 39948942 2008-01-01 65832890 2009-01-01 28670142 2010-01-01 30271847 2011-01-01 47976304 2012-01-01 65089778 2013-01-01 64764008 2014-01-01 43520784 2015-01-01 37935264 2016-01-01 27663969