Year Dollars 1992-01-01 232387 1997-01-01 891603 2002-01-01 1250744 2003-01-01 1388784 2004-01-01 1161683 2005-01-01 2632214 2006-01-01 4088222 2007-01-01 4284754 2008-01-01 10330144 2009-01-01 3794371 2010-01-01 2514248 2011-01-01 3734967 2012-01-01 4392163 2013-01-01 10742402 2014-01-01 6552031 2015-01-01 2717651 2016-01-01 9505461