Year Dollars 1992-01-01 399313 1997-01-01 799968 2002-01-01 1301178 2003-01-01 456241 2004-01-01 1036530 2005-01-01 3645570 2006-01-01 1966746 2007-01-01 2552035 2008-01-01 1895627 2009-01-01 1804134 2010-01-01 1974235 2011-01-01 1566372 2012-01-01 2312717 2013-01-01 1465647 2014-01-01 1737842 2015-01-01 2352629 2016-01-01 3290412