Year Dollars 1997-01-01 264655 2002-01-01 543668 2003-01-01 605930 2004-01-01 1723254 2005-01-01 560141 2006-01-01 622165 2007-01-01 963296 2008-01-01 5237724 2009-01-01 2478122 2010-01-01 1061254 2011-01-01 2728399 2012-01-01 938752 2013-01-01 923159 2014-01-01 1910112 2015-01-01 2182593 2016-01-01 2844737