Year Dollars 1992-01-01 594792 1997-01-01 490880 2002-01-01 558193 2003-01-01 855674 2004-01-01 1396930 2005-01-01 2254210 2006-01-01 2173955 2007-01-01 489627 2008-01-01 714624 2009-01-01 612292 2010-01-01 1233082 2011-01-01 949095 2012-01-01 1617918 2013-01-01 1880817 2014-01-01 1714957 2015-01-01 1935286 2016-01-01 989007