Year Dollars 2002-01-01 341607 2003-01-01 606554 2004-01-01 483423 2005-01-01 415329 2006-01-01 1356786 2007-01-01 1008962 2008-01-01 1657647 2009-01-01 1546737 2010-01-01 858910 2011-01-01 1486525 2012-01-01 995958 2013-01-01 1095405 2014-01-01 1026264 2015-01-01 481310 2016-01-01 1586759