Year Dollars 1992-01-01 243189892 1997-01-01 238792924 2002-01-01 166293028 2003-01-01 175905113 2004-01-01 138682225 2005-01-01 279134954 2006-01-01 223882027 2007-01-01 244982332 2008-01-01 348160140 2009-01-01 266449812 2010-01-01 243986990 2011-01-01 252864550 2012-01-01 445893109 2013-01-01 286829717 2014-01-01 405866442 2015-01-01 297052264 2016-01-01 383928367