Year Dollars 1992-01-01 121435372 1997-01-01 80678216 2002-01-01 140086628 2003-01-01 86555746 2004-01-01 161729744 2005-01-01 268687739 2006-01-01 257064538 2007-01-01 385147844 2008-01-01 343426869 2009-01-01 310928588 2010-01-01 427861110 2011-01-01 183173071 2012-01-01 268769015 2013-01-01 368757528 2014-01-01 233931668 2015-01-01 152874705 2016-01-01 113089841