Year Dollars 1992-01-01 3074782 1997-01-01 33142329 2002-01-01 34523009 2003-01-01 31921808 2004-01-01 52579652 2005-01-01 51458612 2006-01-01 69391404 2007-01-01 82208909 2008-01-01 107626141 2009-01-01 79116031 2010-01-01 94833500 2011-01-01 155142193 2012-01-01 143739800 2013-01-01 167359341 2014-01-01 246629737 2015-01-01 262236098 2016-01-01 158784901