Year Dollars 1997-01-01 49127 2003-01-01 16466 2005-01-01 150977 2006-01-01 80812 2007-01-01 339530 2008-01-01 245431 2009-01-01 114724 2010-01-01 155184 2012-01-01 35577 2014-01-01 1583428 2015-01-01 116014 2016-01-01 53642