Year Dollars 1997-01-01 136565 2002-01-01 59018 2003-01-01 186450 2007-01-01 72123 2008-01-01 40951 2009-01-01 189836 2010-01-01 100986 2011-01-01 106024 2012-01-01 148983 2013-01-01 157531 2014-01-01 316277 2015-01-01 385907 2016-01-01 1003085