Year Dollars 1992-01-01 68571 1997-01-01 350797 2002-01-01 539155 2005-01-01 463704 2006-01-01 347822 2007-01-01 210212 2008-01-01 177079 2010-01-01 198958 2011-01-01 119233 2012-01-01 1827693 2013-01-01 282043 2014-01-01 226435 2015-01-01 217777 2016-01-01 545877