Year Dollars 1992-01-01 12555916 1997-01-01 41876973 2002-01-01 38445278 2003-01-01 28541847 2004-01-01 27958201 2005-01-01 42377464 2006-01-01 33796955 2007-01-01 69862994 2008-01-01 58260191 2009-01-01 59750623 2010-01-01 86359684 2011-01-01 86623603 2012-01-01 56002689 2013-01-01 62284179 2014-01-01 57421572 2015-01-01 74977447 2016-01-01 81583216