Year Dollars 1992-01-01 1203167 1997-01-01 219749 2002-01-01 356199 2003-01-01 903732 2004-01-01 156789 2005-01-01 358954 2006-01-01 283951 2007-01-01 401889 2008-01-01 1213351 2009-01-01 550347 2010-01-01 503678 2011-01-01 322179 2012-01-01 854627 2013-01-01 2318965 2014-01-01 1755237 2015-01-01 1668694 2016-01-01 1909092