Year Dollars 1997-01-01 399878 2002-01-01 746912 2003-01-01 985311 2004-01-01 3715009 2005-01-01 2447907 2006-01-01 5111708 2007-01-01 4377357 2008-01-01 8037980 2009-01-01 9137741 2010-01-01 13202339 2011-01-01 14188634 2012-01-01 12463828 2013-01-01 11012264 2014-01-01 19060357 2015-01-01 17083969 2016-01-01 11149598