Year Dollars 1997-01-01 39900 2005-01-01 29821 2007-01-01 31431 2008-01-01 66898 2009-01-01 88215 2010-01-01 97317 2011-01-01 289184 2012-01-01 161084 2013-01-01 251177 2014-01-01 361983 2015-01-01 120588