Year Dollars 1992-01-01 4248640 1997-01-01 3607176 2002-01-01 1935642 2003-01-01 3325009 2004-01-01 2078910 2005-01-01 4932097 2006-01-01 2499042 2007-01-01 8863283 2008-01-01 8139525 2009-01-01 34258607 2011-01-01 35919188 2013-01-01 90135949 2014-01-01 34446108 2015-01-01 33943246 2016-01-01 27922243