Year Dollars 1992-01-01 5252263 1997-01-01 67596803 2002-01-01 158074295 2003-01-01 299914732 2004-01-01 308711030 2005-01-01 244699057 2006-01-01 227780838 2007-01-01 204907167 2008-01-01 185250956 2009-01-01 178783916 2010-01-01 172459087 2011-01-01 205979492 2012-01-01 222589873 2013-01-01 271885818 2014-01-01 335627078 2015-01-01 354135194 2016-01-01 365653652