Year Dollars 1992-01-01 26938921 1997-01-01 51229391 2002-01-01 30074109 2003-01-01 39220688 2004-01-01 23534379 2005-01-01 32044584 2006-01-01 40094773 2007-01-01 41186136 2008-01-01 51218469 2009-01-01 33099405 2010-01-01 39256074 2011-01-01 84275690 2012-01-01 39081111 2013-01-01 43383564 2014-01-01 40825182 2015-01-01 30494762 2016-01-01 50059841