Year Dollars 1992-01-01 58807 1997-01-01 219812 2002-01-01 634011 2003-01-01 230896 2004-01-01 478283 2005-01-01 227153 2006-01-01 413925 2007-01-01 217772 2008-01-01 464158 2009-01-01 589853 2010-01-01 480948 2011-01-01 1048161 2012-01-01 503666 2013-01-01 600343 2014-01-01 555655 2015-01-01 313380 2016-01-01 259333