Year Dollars 1992-01-01 68396753 1997-01-01 71508812 2002-01-01 80894403 2003-01-01 73451983 2004-01-01 101995543 2005-01-01 141095508 2006-01-01 156758058 2007-01-01 175800741 2008-01-01 209930297 2009-01-01 124046772 2010-01-01 155929049 2011-01-01 177488792 2012-01-01 176002062 2013-01-01 127960399 2014-01-01 106478134 2015-01-01 95397744 2016-01-01 94880566