Year Dollars 1997-01-01 266805 2002-01-01 430132 2003-01-01 400303 2004-01-01 901534 2005-01-01 1377499 2006-01-01 2325636 2007-01-01 2301365 2008-01-01 1751178 2009-01-01 782073 2010-01-01 1166276 2011-01-01 798902 2012-01-01 1546279 2013-01-01 2130580 2014-01-01 1699424 2015-01-01 2252312 2016-01-01 1881746